2. Analysis period different from useful lives (5 Points) Two pumps are being considered for purchase for a service life of 10 years. Interest rate is 5% Pump 2 $60,000 $75,000 $12,000 11 years $15,000 Pump 1 Alternatives Initial Cost Estimated salvage value at end of useful life Useful Life Estimated market value, end of 10-year $10,000 6 years $12,000 (1) Develop the cash flow diagram for both alts. (1 point) (2) Apply the present worth technique, which pump should be considered? (4 points)