just question #4 please

just question#4 please

4. [30] There are three mutually exclusive alternatives being considered. One of the three must be selected, so this is a set of three cost alternatives. MARR is 15% and the life of each project is 12 years. These projects are: Project I Capital Cost: $130,000 Revenue/Savings: 22,000 Expense/Cost: $12,000 Salvage: $25,000 Project II Capital Cost: $100,000 Revenue/Savings: $10,000 Expense/Cost: $15,000 Salvage: $20,000 Project III Capital Cost: $160,000 Revenue/Savings: $10,000 Expense/Cost: $20,000 Salvage: $40,000