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Calculate Replacement value for this problem while interest rate-2% Defender Challenger 35,750 20,547 6,990 5,457 First Cost AOC (Annual operation cost) Cost in Year 1 Cost in Year 3 Cost in Year 4-6 Salvage Value 575 none 3,300 870 none 870/year 7,71910,273 Note: to find RV make Pdefender-P challenger