The management of Arnold Corporation is considering the purchase of a new machine costing $400,000. The company's desired rate of return is 10%. The present value factors for $1 at compound interest of 10% for 1 through 5 years are 0.909, 0.826, 0.751, 0.683, and 0.621, respectively. In addition to the foregoing information, use the following data in determining the acceptability in this situation: Y1 $100,000 180,000 Y2 40,000 120,000 Y3 20,000 100,000 Y4 10,000 90,000 Y5 10,000 90,000 The cash payback period for this investment is: a) 4 years b) 3 years c) 2 years d) 5 years