Problem (6): Consider the following three mutually exclusive alternatives. MARR is 10%. Alternative 1 Alternative 2 Alternative 3 Alternative 4 Initial investment 12,000 16,500 20,000 14,500 Annual yielded returns $4,700 $5,200 $5,000 increasing by $5,000 increasing by 500 each year 10% each year thereafter thereafter $1,500 $2,000 $1,000 $1,000 Salvage Value Service life 3 6 8 3 a) Compute the payback (PB) period and discounted PB period of each alternative. Based on the PB period, which alternative do you recommend? b) Using Annual Worth analysis, which alternative do you recommend? Problem (6): Consider the following three mutually exclusive alternatives. MARR is 10%. Alternative 1 Alternative 2 Alternative 3 Alternative 4 Initial investment 12,000 16,500 20,000 14,500 Annual yielded returns $4,700 $5,200 $5,000 increasing by $5,000 increasing by 500 each year 10% each year thereafter thereafter $1,500 $2,000 $1,000 $1,000 Salvage Value Service life 3 6 8 3 a) Compute the payback (PB) period and discounted PB period of each alternative. Based on the PB period, which alternative do you recommend? b) Using Annual Worth analysis, which alternative do you recommend