1 A process engineer is evaluating whether to install a new high efficiency pump motor. The motor has a 7 year life span and energy savings are estimated at $1905 for the first year, then increasing by 5% annually. If the interest rate is 5%, what is the present value of the energy savings? Select one @ $4415 $11112 500 516000 5120 2 A principalsum Posted at a nominal interest rate. 7, and compounded limes per year for years. What amount will be acumulated at the end of this period? Select one PI em PO