You are in the pizza business and want to buy a new pizza making machine.The machine costs $14,408 today.At the end of each year you own the machine, it will give you returns of $3,163 after paying for maintenance and repairs. After you own the machine for 6 years, you expect to sell it for a scrap of $1,000.(You scrap it at the same time you get the last $3,163 return).What is the present value of the returns at 3%? 7%? 11%?