I am really confused about doing these 3 problems and I have tried to figure them out myself, but I can't.

Problem 5.16 The Elkridge Bar & Grill has a seven-year loan of $23,200 with Bank of America. It plans to repay the loan in seven equal installments starting today. If the rate of interest is 7.10 percent, how much will each payment be? (Round intermediate calculations to 4 decimal places, e.g. 1.5212 and final answer to 2 decimal places, e.g. 15.25.) Elkridge Bar & Grill's payment $ Problem 5.17 Calculate the annual cash flows for each of the following investments: $262,000 invested at 6 percent. $ Annual cash flows $56,000 invested at 12 percent. $ Annual cash flows $86,000 invested at 10 percent. $ Annual cash flows CelebNav, Inc. had sales last year of $560,000, and the analysts are predicting a good year for the start-up, with sales growing 22 percent a year for the next three years. After that, the sales should grow 11 percent per year for two years, at which time the owners are planning to sell the company. What are the projected sales for the last year before the sale? (Round intermediate calculations to 6 decimal places, in all cases round your final answer to the nearest penny.) $ Projected sales in year 5