Determine values for present worth (PW or NPV), future worth (FW), annual worth (AW), payback (PB), AND discounted payback (DPBP) for the following cash flow system.   Consider two interest rate scenarios in your evaluations: 4% per year, compounded annually 12% per year, compounded annually.     End of Year 0 1 2 3 4 5 6 7 Cash Flow -$40,000 $8,200 $8,200 $8,200 $8,200 $8,200 $8,200 $8,200