NPV and IRR Each of the following scenarios is independent. All cash flows are after-tax cash flows. The present value tables provided in Exhibit 19B.1 and Exhibit 198.2 must be used to solve the following problems. Required: 1. Patz Corporation is considering the purchase of a computer-aided manufacturing system. The cash benefits will be $886,000 per year. The 5y stem costs $4,830,000 and will last eight years. Compute the NPV assuming a discount rate of 8 percent. Should the company buy the new system? 2. Sterling Wetzel has just invested $340,000 in a restaurant specializing in German food. He expects to receive $54,750 per year for the next eight years. His cost of capital is 5.60 percent. Compute the internal rate of return. Round your answers to whole percentage value (for example, 16% should be entered as " 16 " in the answer box). % Did Sterling make a good decision