what interest are impiled by the following lending arrangements

a) you borrow 500 and repay 555 in one year.
b) you lend 1850 and are repaid 2,078.66
c) you lend 750 and are repaid 1,114.46 in five years with quartely compounding
d) you borrow 12,500 and rpay 21,364.24 in thre years under monthly compoundin