Cost of Bank Loans rate. Do not round intermediate calculations. Round your answers to two decimal places.

a$.$ The nominal annual rate on the loan was $11\mathrm{.}75\%.$ What is the true effective rate?

$\%$

b$.$ What would be the effective cost of the loan if the note required discount interest?

$\%$

c$.$ What would be the nominal annual interest rate on the loan if the bank did not require a compensating balance but required repayment in three equal monthly installments?

$\%$