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A firm urgently needs a large printer and will either lease a printer at an end-of- year cost of $ 10,000 for a 6 year period, or they will purchase the printer at an initial cost of $66,117. If purchased, the printer will have a zero salvage value at the end of 6-years life. No other costs are to be considered. MARR is 12%. What is the best investment decision on the basis of the internal rate of return. a. IRR could not be calculated due to no change in cashflow sign Ob. Lease C. Buy Negative IRR is not justified and is not applied here to make a proper decision