Please help with #2, #3 rate of return only, #4 and #5.

Capital Rationing Decision for a Service Company Involving Four Proposals Renaissance Capital Group is considering allocating a limited amount of capital investment funds among four proposals. The amount of proposed investment, estimated income from operations, and net cash flow for each proposal are as follows Net Cash Flow Investment Year Operations S 64,000 64,000 64,000 24,000 24,000 Proposal A 5680,000 $ 200,000 200,000 200,000 160,000 160,000 S 920,000 S 90,000 90,000 70,000 70,000 20,000 $340,000 55,000 53,000 50,000 47,000 45,000 5 250,000 5 180,000 180,000 160,000 100,000 80,000 $700,000 $240,000 Proposal B 320,000 S 26,000 26,000 6,000 6,000 (44,000) s 20,000 S 33,400 31,400 28,400 25,400 23,400 5142,000 5100,000 100,000 80,000 20,000 Proposal C $108,000 Proposal D 5400,000 5300,000 The company's capital rationing policy requires a maximum cash payback period o three years. In addition, a minimum average rate o return o 12% 1s required on a projects. If the preceding standards are met, the net present value method and present value indexes are used to rank the remaining proposals. Present Value of $1 at Compound Interest Year 10% 6% 0.943 0.909 0.893 0.870 0.833 0.890 0.826 0.797 0.756 0.69 0.840 0.751 0.712 0.658 0.579 0.792 0.683 0.636 0.572 0.482 0.747 0.621 0.567 0.497 0,402 0.705 0.564 0,507 0.432 0.335 0.665 0.513 0.452 0.376 0.279 0.627 0.467 0.404 0.327 0.233 0.592 0.424 0.361 0.284 0.194 10 0.558 0.386 0,322 0.247 0,162