Questions 8 and 9 are based on the following information: X Company is considering the purchase of a new machine that would enable the company to increase production and sales of one of its products by 5,910 units; contribution margin of this product is $5.00 per unit. The machine would cost $150,000, last for four years, and have zero salvage value at the end of its life. 8. Assuming a discount rate of 7%, what is the net present value of buying the new machine? OA: $-49,914 OB: $-56,403 OC: $-63,735 OD: $-72,021 OE: $-81,384 OF: $-91,964 Tries 0/99 9. If the new machine will last for six years instead of four, what is the approximate internal rate of return of buying it? OA: 0.03 B: 0.04 C: 0.05 OD: 0.06 E: 0.07 OF: 0.08 Tries 0/99