Net Present value-Unequal Lives Bunker Hill Mining Company has two competing proposals a processing mill and an electric shovel. Both pleces of aquipment have an initial investment of $750,000. The net cash flows estimated for the two proposais are as follows: The estimated residual value of the processing mill at the end of year 4 is 5280,000 . Present Value of $1 at Compound Interest The estimated residual value of the processing mill at the end of Year 4 is $280,000. Present Value of $1 at Compound Interest return of 15 gel. Use the present value table appearing above. If reaulted, reund to the fiearest doilar. Determine which equipment should be favored, comparing the net present values of the two proposals and assuming a minimum rate return of 15%. Use the present value table appearing above. If required, round to the nearest dollar