A Project manager of a project with a time line of 24 months is trying to decide the feasible alternative of buying a machine that cost $110,000 besides $900/ month to maintain or leasing that machine with $3500 / month and $25000 down payment. Which alternative should he/she use? and how many months that machine should operate to be a feasible buying choice? Show your calculations behind the Lease or Buy decision The alternative is to Lease and 31 is the number of months to justify the buying choice.. The alternative is to Lease and 20 is the number of months to justify the buying choice.. The alternative is to Lease and 24 is the number of months to justify the buying choice.. Buy the machine.