please show work thoroughly using formulas such as (A/P,10%,10)

C A company is considering one of the following 3 mutually exclusive alternatives. Project Initial Investment $56,000.00 $65,000.00 $70,000.00 operating Cost per year $16,000.00 $10,000.00 $13,000.00 Revenue per year $36,000.00 $34,000.00 $40,000.00 Salvage value $13,300.00 $19,500.00 $23,000.00 Life (years) 12 If the company uses a MARR of 12%, which of the alternatives will they select using Present Worth Analysis