a loan of 25000 is repaid at the end of 5 years with a repayment of 32000. assume compound interest ( discount) as applicable.

a) find the annual effective rate of interest on this loan.

b) find the nominal rate of interear of this loan if the interest is compounded quarterly.

c) if the nominal annual rate of interest is 7% convertible semiannually, find the corresponding equivalent nominal annual rate of discount convertible quarterly.