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 $750,000 The net cash flows estimated for the two proposals are as follows: Net Cash Flow. Year Processing Mill Electric Shovel 1 $310,000 $330,000 2 260,000 325,000 260,000 325,000 260,000 320,000 180,000 130,000 120,000 120,000 The estimated residual value of the processing mill at the end of Year 4 is $280,000.. Present Value of $1 at Compound Interest Year 6% 10% 12% 15% 20% 1 0.943 0.909 0.893 0.870 0.833 2 0.890 0.826 0.797 0.756 0.694 3 0.840 0.751 0,712 0.658 0.579 eBook Print Item The estimated residual value of the processing mill at the end of Year 4 is $280,000. Present Value of $1 at Compound Interest Year 6% 10% 12% 15% 20% 1 0.943 0.909 0.893 0.870 0.833 2 0.890 0.826 0.797 0.756 0.694 3 0.840 0.751 0.712 0.658 0.579 4 0.792 0.683 0.636 0.572 0.482 5 0.747 0.621 0.567 0.497 0.402 6 0.705 0.564 0.507 0.432 0.335 7 0.665 0.513 0.452 0.376 0.279 8 0.627 0.467 0.404 0.327 0.233 9 0.592 0.424 0.361 0.284 0.194 10 0.558 0.386 0.322 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 15%. Use the present value table appearing above. If required, round to the nearest dollar. Present value of net cash flow total Less amount to be invested Processing Mill Electric Shovel 264,040 X Net present value 194,220 X 179,690