question 2skip to questionone of two methods must be used to produce expansion anchors. method a costs $40,000 initially and will have a $6,000 salvage value after 3 years. the operating cost with this method will be $25,000 per year. method b will have a first cost of $120,000, an operating cost of $6,000 per year, and a $33,000 salvage value after its 3-year life. the interest rate for both the methods is 13%.