(30 Pts.) 9. Compute the Present Worth (P) of the gradient cash flows shown below using an investment rate of 10% per year. (As required in the directions on the first page of this exam, do not use single payment analysis for these gradients. You will not receive credit!!!!) (30 Pts.) 9. Compute the Present Worth (P) of the gradient cash flows shown below using an investment rate of 10% per year. (As required in the directions on the first page of this exam, do not use single payment analysis for these gradients. You will not receive credit!!!!) E = 10%/yr $700 $800 $1,000 $1.200 31,400 51.000 1.800 $1,300 A=1000 7