Update and relocate cost center limitations (#57525)

Author: gmondello

content/billing/concepts/cost-centers.md

@@ -23,3 +23,10 @@ To get started with cost centers, see [AUTOTITLE](/billing/tutorials/use-cost-ce
 {% data reusables.billing.cost-center-allocation %}
 
 For more details, see [AUTOTITLE](/billing/reference/cost-center-allocation).
+
+## Cost center limitations
+
+* The maximum number of active cost centers per enterprise is 250.
+* The maximum number of resources per cost center is 10,000.
+* A maximum of 50 resources can be added to or removed from a cost center at a time.
+* Azure subscriptions can only be added to or removed from cost centers through the UI.

content/billing/tutorials/use-cost-centers.md

@@ -57,14 +57,6 @@ You can view, edit, and delete cost centers to manage your business units effect
 1. Select {% octicon "kebab-horizontal" aria-label="Cost center dropdown" %} to the right of a cost center, then click **View details**, **Edit**, or **Delete**.
 1. Follow the prompts.
 
-## Limitations of the cost center API
-
-There are a few current limitations when working with cost centers and the API:
-
-* There is a maximum of 250 cost centers per enterprise.
-* You can add or remove up to 50 resources at a time from a cost center using the API.
-* Azure subscriptions can only be added to or removed from cost centers through the UI.
-
 ## Further reading
 
 * [AUTOTITLE](/rest/enterprise-admin/billing)