.7 Prairie Eateries Limited (PEL) is consideri Projects Net profit increases before depreciation Cost Salvage value Economic life in years $16,000 $25,000 $50,000 $80,000 $250,000 $500,000 $10,000 $35,000 $42,000 $50,000 10 $40,000 equired: alculate the accounting rate of return for each project. quired: e the data in Problem and Case 6.7 to calculate the payback period for each project