Changing to auto loan interest imputation (#255)

* changing to auto loan interest imputation

* move 100

* auto loan variables in scf.py

* division by 100 for loan rate comments

* changing test to use upper and lower bounds

* around 270

* testing logging level and auto loan test

* trying with 100_000

* fixed auto loan interest values

Author: juaristi22

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    changed:
+    - Methodology to directly impute auto loan interest instead of assuming a 2% interest rate on auto loan balance.