Determine the payback period at an interest rate of 10% per year for an asset that initially cost $86,000, has a scrap value of $1500 whenever it is sold, and generates cash flow of $17,660 per year for 15 years. Your answer: O 11 years 0 7 years O 8 years a 3 years o 5 years O 12 years 4 years O 10 years O 6 years a 13 years O 15 years 9 years 14 years