$\backslash$table$[[$COUNTA of Attrition$\_$Flag,Attrition$\_$Flag,$],[$Income$\_$Category,$\backslash$table$[[$Attrited$],[$Customer$]],\backslash$table$[[$Existing$],[$Customer$]]],[$$$120K+,126,601],[$$$40K-$$$60K,271,1519],[$$$60K-$$$80K,189,1213],[$$$80K-$$$120K,242,1293],[$Less than $$40K,612,2949],[$Unknown$,187,925]]$

The CRM manager wanted to profile the customers who are staying in the bank based on their income category. She found out the following:

a$.$ Customers who have income between $$40K$ and $$80K$ are the most loyal customers

b$.$ Customers who have income less than $$40K$ are the most loyal customers

c$.$ Customers who have Unknown income are the least loyal customers

$$ d$.$ Customers who have income $$120K$ and more are the most loyal customers