John took a p 50,000 loan for a bank at an interest rate of 15 % per year for a 3- year period. What is the total amount? (interest and loan) that he would have to pay the bank at the end of 3 years? A. p 70,500 B. p 72,500 C. p 73,400 D. p 74,200



5. A total of p 3200.00 is invested at a simple interest rate of 9% for 6 months. How much interest is earned on this investment? A. p 140 B. p 144 C. p 145 D. p 150​