Answer the following questions using Microsoft Excel formulas Q3. A Project manager would like to select the more economical of two alternatives for arn excavation dust control. Help the project manager evaluate and select the proper alternative knowing that the estimated MARR-12% per year Option 1 40,000 25,000 Option 2 75,000 15,000 Equipment Initial CostS Annual Operating Cost (AOC), S per vear Life, year:s Salvage value, S 4 6 10,000 7,000