Metric,Option A: Standard Pump,Option B: High-Efficiency Pump Initial Purchase Cost,"$35,000","$55,000" Total Maintenance Cost (10 yrs),"$10,000","$12,000" Total Energy Cost (10 yrs),"$150,000","$80,000" Total Cost of Investment (10 yrs),"$195,000","$147,000" Projected 10-Year Savings (vs. doing nothing),"$5,000","$53,000"