pls answer 2.2R

2.2 How much can Azco Autosystems, Inc. afford to spend now on an energy management system, if the software will save the company $21,300 per year for the next 5 years? Use an interest rate of 10% per year. P=21,300(P/A,10%,5) -21,300(3.7908) $80,744 2.2R Recalculate the above problem with an interest rate of 12% per year