(a) Calculate the net present value and profitability index of each machine. Assume an 8% discount rate. (Round present value factor calculations to 5 decimal places, e.g. 1.25124 and the final answer to 2 decimal places e.g. 589.71. Enter negative amounts using either a negative sign preceding the number e.g. -45.35 or parentheses e.g. (45.35).) Machine A Net present value $ Profitability index Which machine should be purchased? Angler Corp. should purchase Machine B