Question #1. How much was originally invested if it earned $250in 5months at 4.5%p.a.?

Question #2. How much interest will be earned on a short-term loan of $12,000 at 6.25% p.a. from March 10th, 2016 to January 1st, 2017?

Question#3.Miss Bunz borrowed $2000 from a friend with the promise that she would pay her back in 3 months at 5.5% p.a. How much should Miss Bunzpay her friend in 3 months?

Question #4. Miss Benz has debts of $25,000 due today and another $20,000 due in 18 months. They will be settled by a single payment to be made 12 months from today. What is the size of the payment in 12 months, if money is worth 4.5% p.a.?