diff --git a/.gitignore b/.gitignore
index b6e47617de..dc00b0bc92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -127,3 +127,4 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+node_modules
diff --git a/src/App.js b/src/App.js
index 610e47d694..58ef349ed0 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,47 +1,48 @@
 import React from 'react';
-
 import 'bootstrap/dist/css/bootstrap.min.css';
 
-//Code to import Budget.js
+import { AppProvider } from './context/AppContext';
 import Budget from './components/Budget';
+import ExpenseTotal from './components/ExpenseTotal';
+import ExpenseList from './components/ExpenseList';
+import AllocationForm from './components/AllocationForm';
+import RemainingBudget from './components/Remaining';
+import  Currency from './components/Currency'
 
-// Add code to import the other components here under
-
-
-import { AppProvider } from './context/AppContext';
 const App = () => {
     return (
         <AppProvider>
             <div className='container'>
                 <h1 className='mt-3'>Company's Budget Allocation</h1>
-                    <div className='row mt-3'>
-                        {
-                            /* Add Budget component here */
-                        }        
-
-                        {
-                            /* Add Remaining component here*/
-                        }        
-
-                        {
-                            /* Add ExpenseTotal component here */
-                        }        
-                       
-                        {
-                            /* Add ExpenseList component here */
-                        }         
-
-                        {
-                            /* Add ExpenseItem component here */
-                        }        
-
-                        {
-                            /* Add AllocationForm component here under */
-                        }        
-
+                <div className='row mt-3'>
+                    <div className='col-sm'>
+                        <Budget />
+                    </div>
+                    <div className='col-sm'>
+                        <RemainingBudget />
+                    </div>
+                    <div className='col-sm'>
+                        <ExpenseTotal />
+                    </div>
+                    <div className='col-sm'>
+                        <Currency />
+                    </div>
+                </div>
+                <h3 className='mt-3'>Allocation</h3>
+                <div className='row '>
+                    <div className='col-sm'>
+                        <ExpenseList />
+                    </div>
+                </div>
+                <h3 className='mt-3'>Change allocation</h3>
+                <div className='row mt-3'>
+                    <div className='col-sm'>
+                        <AllocationForm/>
+                    </div>
                 </div>
             </div>
         </AppProvider>
     );
 };
+
 export default App;
diff --git a/src/components/AllocationForm.js b/src/components/AllocationForm.js
index 8b13789179..4de6729a27 100644
--- a/src/components/AllocationForm.js
+++ b/src/components/AllocationForm.js
@@ -1 +1,81 @@
+import React, { useContext, useState } from 'react';
+import { AppContext } from '../context/AppContext';
 
+const AllocationForm = (props) => {
+    const { dispatch,remaining,currency  } = useContext(AppContext);
+
+    const [name, setName] = useState('');
+    const [cost, setCost] = useState('');
+    const [action, setAction] = useState('');
+
+    const submitEvent = () => {
+
+            if(cost > remaining) {
+                alert("The value cannot exceed remaining funds  £"+remaining);
+                setCost("");
+                return;
+            }
+
+        const expense = {
+            name: name,
+            cost: parseInt(cost),
+        };
+        if(action === "Reduce") {
+            dispatch({
+                type: 'RED_EXPENSE',
+                payload: expense,
+            });
+        } else {
+                dispatch({
+                    type: 'ADD_EXPENSE',
+                    payload: expense,
+                });
+            }
+    };
+
+    return (
+        <div>
+            <div className='row'>
+
+            <div className="input-group mb-3" style={{ marginLeft: '2rem' }}>
+                    <div className="input-group-prepend">
+                <label className="input-group-text" htmlFor="inputGroupSelect01">Department</label>
+                  </div>
+                  <select className="custom-select" id="inputGroupSelect01" onChange={(event) => setName(event.target.value)}>
+                        <option defaultValue>Choose...</option>
+                        <option value="Marketing" name="marketing"> Marketing</option>
+                <option value="Sales" name="sales">Sales</option>
+                <option value="Finance" name="finance">Finance</option>
+                <option value="HR" name="hr">HR</option>
+                <option value="IT" name="it">IT</option>
+                <option value="Admin" name="admin">Admin</option>
+                  </select>
+
+                    <div className="input-group-prepend" style={{ marginLeft: '2rem' }}>
+                <label className="input-group-text" htmlFor="inputGroupSelect02">Allocation</label>
+                  </div>
+                  <select className="custom-select" id="inputGroupSelect02" onChange={(event) => setAction(event.target.value)}>
+                        <option defaultValue value="Add" name="Add">Add</option>
+                <option value="Reduce" name="Reduce">Reduce</option>
+                  </select>
+
+                    {currency}<input
+                        required='required'
+                        type='number'
+                        id='cost'
+                        value={cost}
+                        style={{ marginLeft: '2rem' , size: 10}}
+                        onChange={(event) => setCost(event.target.value)}>
+                        </input>
+
+                    <button className="btn btn-primary" onClick={submitEvent} style={{ marginLeft: '2rem' }}>
+                        Save
+                    </button>
+                </div>
+                </div>
+
+        </div>
+    );
+};
+
+export default AllocationForm;
diff --git a/src/components/Budget.js b/src/components/Budget.js
index 8b13789179..eba653e802 100644
--- a/src/components/Budget.js
+++ b/src/components/Budget.js
@@ -1 +1,33 @@
+import React, { useContext, useState } from 'react';
+import { AppContext } from '../context/AppContext';
 
+const Budget = () => {
+    const { budget, dispatch, expenses, currency } = useContext(AppContext);
+    const [newBudget, setNewBudget] = useState(budget);
+    const handleBudgetChange = (event) => {
+
+        const totalExpenses = expenses.reduce((total, item) => {
+            return (total = total + item.cost);
+        }, 0);
+
+        if(event.target.value > 20000){
+            alert('The upper limit value is 20,000');
+            return;
+        }
+
+        setNewBudget(event.target.value);
+
+        dispatch({
+            type: 'SET_BUDGET',
+            payload: event.target.value,
+        });
+
+    }
+    return (
+<div className='alert alert-secondary'>
+<span>Budget: {currency}{newBudget}</span>
+<input type="number" step="10" value={newBudget} onChange={handleBudgetChange}></input>
+</div>
+    );
+};
+export default Budget;
diff --git a/src/components/Currency.js b/src/components/Currency.js
new file mode 100644
index 0000000000..eeaa213b9a
--- /dev/null
+++ b/src/components/Currency.js
@@ -0,0 +1,35 @@
+import React, { useContext, useState } from 'react';
+import { AppContext } from '../context/AppContext';
+
+const Currency = () => {
+    const { currency, dispatch } = useContext(AppContext);
+    const [newCurrency, setNewCurrency] = useState(currency);
+
+    const handleCurrencyChange = (event) => {
+
+        setNewCurrency(event.target.value);
+
+        dispatch({
+            type: 'CHG_CURRENCY',
+            payload: event.target.value,
+        });
+
+    }
+
+
+    return (
+
+            <select className="alert alert-success" id="inputGroupSelect01" onChange={handleCurrencyChange}>
+                <option className="list-group-item list-group-item-success" value="$" name="Dollar">$ Dollar</option>
+                <option className="list-group-item list-group-item-success" value="£" name="Pound">£ Pound</option>
+                <option className="list-group-item list-group-item-success" value="€" name="Euro">€ Euro</option>
+                <option className="list-group-item list-group-item-success" value="₹" name="Ruppee">₹ Ruppee</option>
+            </select>
+            );
+
+
+
+};
+
+
+export default Currency;
diff --git a/src/components/ExpenseItem.js b/src/components/ExpenseItem.js
index 8b13789179..e738d053e7 100644
--- a/src/components/ExpenseItem.js
+++ b/src/components/ExpenseItem.js
@@ -1 +1,55 @@
+import React, { useContext } from 'react';
+import { TiDelete } from 'react-icons/ti';
+import { AppContext } from '../context/AppContext';
 
+const ExpenseItem = (props) => {
+    const { dispatch,currency } = useContext(AppContext);
+
+    const handleDeleteExpense = () => {
+        dispatch({
+            type: 'DELETE_EXPENSE',
+            payload: props.id,
+        });
+    };
+
+    const increaseAllocation = (name) => {
+        const expense = {
+            name: name,
+            cost: 10,
+        };
+
+        
+
+        dispatch({
+            type: 'ADD_EXPENSE',
+            payload: expense
+        });
+
+    }
+
+    const decreaseAllocation = (name) => {
+        const expense = {
+            name: name,
+            cost: 10,
+        };
+
+        dispatch({
+            type: 'RED_EXPENSE',
+            payload: expense
+        });
+    }
+
+    
+
+    return (
+        <tr>
+        <td>{props.name}</td>
+        <td>{currency}{props.cost}</td>
+        <td><button className="btn btn-success" onClick={event=> increaseAllocation(props.name)}>+</button></td>
+        <td><button className="btn btn-danger" onClick={event=> decreaseAllocation(props.name)}>-</button></td>
+        <td><TiDelete size='1.5em' onClick={handleDeleteExpense}></TiDelete></td>
+        </tr>
+    );
+};
+
+export default ExpenseItem;
diff --git a/src/components/ExpenseList.js b/src/components/ExpenseList.js
index 8b13789179..c41d204ae3 100644
--- a/src/components/ExpenseList.js
+++ b/src/components/ExpenseList.js
@@ -1 +1,28 @@
+import React, { useContext } from 'react';
+import ExpenseItem from './ExpenseItem';
+import { AppContext } from '../context/AppContext';
 
+const ExpenseList = () => {
+    const { expenses } = useContext(AppContext);
+
+    return (
+        <table className='table'>
+              <thead className="thead-light">
+            <tr>
+              <th scope="col">Department</th>
+              <th scope="col">Allocated Budget</th>
+              <th scope="col">Increase by 10</th>
+              <th scope="col">Decrease by 10</th>
+              <th scope="col">Delete</th>
+            </tr>
+          </thead>
+            <tbody>
+            {expenses.map((expense) => (
+                <ExpenseItem id={expense.id} key={expense.id} name={expense.name} cost={expense.cost} />
+            ))}
+            </tbody>
+        </table>
+    );
+};
+
+export default ExpenseList;
diff --git a/src/components/ExpenseTotal.js b/src/components/ExpenseTotal.js
index 8b13789179..1ab1c284c7 100644
--- a/src/components/ExpenseTotal.js
+++ b/src/components/ExpenseTotal.js
@@ -1 +1,15 @@
 
+import React, { useContext } from 'react';
+import { AppContext } from '../context/AppContext';
+const ExpenseTotal = () => {
+    const { expenses, currency } = useContext(AppContext);
+    const totalExpenses = expenses.reduce((total, item) => {
+        return (total += item.cost);
+    }, 0);
+    return (
+        <div className='alert alert-primary'>
+            <span>Spent so far: {currency}{totalExpenses}</span>
+        </div>
+    );
+};
+export default ExpenseTotal;
diff --git a/src/components/Remaining.js b/src/components/Remaining.js
index 8b13789179..9dcc151f6b 100644
--- a/src/components/Remaining.js
+++ b/src/components/Remaining.js
@@ -1 +1,18 @@
-
+import React, { useContext } from 'react';
+import { AppContext } from '../context/AppContext';
+const Remaining = () => {
+    const { expenses, budget,currency } = useContext(AppContext);
+    const totalExpenses = expenses.reduce((total, item) => {
+        return (total = total + item.cost);
+    }, 0);
+    const alertType = totalExpenses > budget ? 'alert-danger' : 'alert-success';
+    if(totalExpenses > budget){
+        alert('you cannot reduce the budget value lower than spending');
+    }
+    return (
+        <div className={`alert ${alertType}`}>
+            <span>Remaining: {currency}{budget - totalExpenses}</span>
+        </div>
+    );
+};
+export default Remaining;