3. The alternatives described below are equipment's that all perform the same function more- or-less equally satisfactorily. Using rate of return analysis, determine which alternative is the most economical. The equipment's are anticipated to be used for 4 years and MARR is 12% per year. (20 points) Alternative 1 Alternative 2 Alternative 3 Alternative 4 195,000 325,000 250,000 750,000 350,000 225,000 300,000 45,000 Initial cost () Annual operating cost ($) Salvage value, (S) (after 4 years of service) 0 100,000 0 150,000