The office's 4 Canon machines are expected to last 5 more years. They can each be sold immediately for $600; their resale value in 5 years will be zero. The Canon machines require 4 operators; they are each paid $8.20 an hour and work 38 hours a week and 51 weeks a year. The machines break down periodically, resulting in annual repair costs of $1,200 for each machine. The cost of supplies for each machine will be $1,200 a year.

The total cost of the new Kodak equipment will be $110,000. The equipment will have a life of 5 years and a total disposal value at that time of $2,300. The Kodak system will require only 2 regular operators, working the same number of hours and earning the same wages. Kodak has offered the college a maintenance contract that covers all machine breakdowns; the cost of the contract is $1,140 per year. The cost of supplies for all the machines combined will be $3,000 a year

Assuming a discount rate of 12%, compute the difference between the net present value if the registrar's office keeps the Canon copiers and the net present value if it buys the Kodak copiers.

Answer