A man borrows $2 000 from a credit union. Each month. he is to pay $100 on the principal. He also pays interest at the rate of 3/4% per month on the unpaid balance at the beginning of the month. What is the total payment required at the end of the first month? O a. $115.00 O b. None of the choices is correct. O c. $101.25 O d. $115.25 O e. $112.50