Net Present Value-Unequal Lives Bunker Hill Mining Company has two competing proposals: a processing mill and an electric shovel. Both pieces of equipment have an initial investment of $561,515. The net cash flows estimated for the two proposals are as follows Net Cash Floww Year Electric Shovel $192,000 171,000 171,000 136,000 104,000 86,000 75,000 75,000 $240,000 223,000 205,000 211,000 The estimated residual value of the processing mill at the end of Year 4 is $240,000. Present Value of 1 at Compound Interest Year 1 0% 12% 0.893 0.890 0,826 0.797 0.756 0.694 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 0.4970,402 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 0.3270.233 0.592 0.424 0,36 0.284 0,194 0.322 696 15% 2096 0.943 0.909 0.870 0.833 10 0.558 0.386 0.247 0,162 Determine which equipment should be favored, comparing the net present values of the two proposals and assuming a minimum rate of return of 1S%. Use the present value table appearing above