An assembly operation at a software company now requires $100,000 per year in labor costs. a robot can be purchased and installed to automate this operation. the robot will cost $200,000 and will have no market value at the end of its 10-year study period. maintenance and operation expenses of the robot are estimated to be $64,000 per year. invested capital must earn at least 12% per year. use the irr method to determine if the robot is a justifiable investment.

Arnold rossiter is a 40-year-old employee of the barrington company who will retire at age 60 and expects to live to age 75. the firm has promised a retirement income of $20,000 at the end of each year following retirement until death. the firm's pension fund is expected to earn 7 percent annually on its assets and the firm uses 7% to discount pension benefits. what is barrington's annual pension contribution to the nearest dollar for mr. rossiter? (assume certainty and end-of-year cash flows.)