a. Your company wants to invest $250,000 in a new machine. Cash flows that result are: Yr1: 50,000; Yr2: 121,000; Yr3: 86,000; Yr4: 100,000. Cost of capital is 14%. What is the NPV?

b. Calculate the NPV:

Investment amount: (8,250,000). Cash flows: Yr1: 2,500,000; Yr2: 3,500,000; Yr3: 4,500,000; Yr4: 5,500,000. Cost of capital: 24%

C. For the following, calculate the NPV:

Investment amount: (1,000,000). Cash flows: Yr1: 251,000; Yr2: 289,000; Yr3: 582,000; Yr4: 456,000. Cost of capital: 16%.

D. For the following cash flows, calculate the NPV:

Investment ($10,000); Yr1: 4,000; Yr2: 3,000; Yr3: 4,000; Yr4: 2,500. Cost of capital is 10%.

Please answer all parts.