solve the points A, B and C, step by step, letter clear

A)If $115,000 is borrowed now and $185,950 must be repaid in two years, what is the annual interest rate on the loan? * Simple interest * Compound interest

B) We make a deposit of $8,400 at 5% simple quarterly for 8 months and then withdraw the total and deposit it for 7 months at 22% simple per year. Calculate the total withdrawn on the second deposit.

C)Find the amount of interest payable after 1 year on a $50,000 loan if simple interest is 8% per month.