The management of London Corporation is considering the purchase of a new machine costing $750,000. The company's desired rate of return is 6%. The present value factors for $1 at compound Interest of 6% for 1 through 5 years are 0.943, 0.890, 0.840, 0.792, and 0.747, respectively. In addition to this information, use the following data in determining the acceptability in this situation: Year 1 2 Income from Operations $37,500 37,500 37,500 37,500 37,500 Net Cash Flow $187,500 187,500 187,500 187,500 187,500 The cash payback period for this investment is: Oa. 20 years Ob. 4 years Oc. 5 years Od. 3 years