Please answer all questions or don't answer at all. thank you

Question H4 Dons Products, Inc. is considering two independent investments having the following cash flow streams: Dons uses a combination of the net present value approach and the payback approach to evaluate investment alternatives. It requares that all projects have a positive net present value when cash flows are discounted at 10 percent and that all projects have a payback period no longer than 3 years. Which project or projects should the firm accept? Why? Question 15 Appy Company is considering a capital investment of $320,000 in additional equipment. The new equipment is expected to have a useful life of 8 years with no salvage value. Depreciation is computed by the straight-line method. During the life of the imvestment, annual net income and cash inflows are expected to be $22,000 and $62,000, respectively. Appy requares a 10% return on all new itrvestments. Present Value of an Annuity of 1 Instructions (a) Compute each of the following: 1. Cash payback period. 2. Net present value. 3. Profitability index. 4 Internal rate of return. 5. Annual rate of return. (b) Indicate whether the investment should be accepted or rejected