The bank pay for the use of money in the form of

see below

Explanation:

Banks pay interest on customer deposits. It means that a customer's deposit will grow if left at the banks for some period. When a customer deposits, the bank retains only a small fraction of the money in its custody. The bigger portion is loaned out to other customers. Therefore, a bank uses customer deposits to create loans. In return, the banks will pay customers interest for the use of their deposits. Banks also charge interest when they loan out money.

c.

clarify customers’ doubts only when asked.

answer///the factor market;