8. 8.41 Determine if the selection of system 1 or 2 is sensitive to variation in the return required by management. The corporate MARR ranges from 8% to 16% per year. In increments of 2%, use tabulated factors or a spreadsheet, as requested by your instructor. Table Summary: Table divided into two columns compares two systems based on rate of return and increments. The column headers are marked from left to right as: system; 1; and 2. System 1 2 System 1 2 First cost, $ −50,000 −100,000 AOC, $ per year −6,000 −1,500 Salvage value, $ 30,000 0 Rework at midlife, $ −17,000 −30,000 Life, years 4 12