At 18% interest rate, what are the series of payments equivalent to at time o? In other words find the NPV for the cash flows below at an interest rate of 18% 1 2 3 4 5 6 Year End of year payment $ 1,100 $ 1,200 $ 1,500 $ 1,600 $ 1,700 $ 1,800 $7,197 $8,900 $7,917 $4,942 $4.771