Collectively, what are the interest costs and other fees for using a credit card called?
A. balance
B. credit line
C. finance charge

The answer is C, finance charge.

A is how much debt you have on your credit card (can be positive, meaning you have debt, or negative, meaning you don’t and the company owes you money)

B a credit line is how much money a credit card company has agreed to lend to you on your card

C is the amount accumulated fees and charges, and the interest on those fees.

So the answer is C, I hope this helps!