ONLY NEED HELP WITH PRESENT WORTH OF D.. OTHER TWO ARE RIGHT ONLY D IS WRONG

Compare the alternatives C and D on the basis of a present worth analysis using an interest rate of 15% per year and a study period of 10 years. D $-50,000 $-9,000 $-28,000 $-5,000 Alternative First Cost AOC, per Year Annual Increase in Operating Cost, per Year Salvage Value Life, Years $-700 $-900 $6,000 10 $700 5 The present worth of alternative C is $ -105,571 and that of alternative D is $ Alternative D offers the lower present worth