Check my work 7 Required information Part 2 of 2 An electric switch manufacturing company is trying to decide between three different assembly methods. Method A has an estimated first cost of $42,000, an annual operating cost (AOC) of $9,000, and a service life of 2 years. Method B will cost $83,000 to buy and will have an AOC of $5,000 over its 4-year service life. Method C costs $119,000 initially with an AOC of $5,000 over its 8-year life. Methods A and B will have no salvage value, but Method C will have equipment worth 10% of its first cost. 10 points eBook Hint Print References Perform a present worth analysis to select the method at i: 9% per year. The present worth of method A is $ The present worth of method B is $ The present worth of method C is $ Metho (Click to select) is selected