got the wrong answer twice can someone get anything different

This is a problem with mutually exclusive projects, You only have to do the net present value method, so you can evaluate the projects soparately, or you can combine them, flut if you evaluate them separately, the answer you submit must be the difference in the two net present values (see the directions for the correct use the present values from the tables on page 113 of the Coursepack. The Lertang Community Coliege registrar's office is consideting replacing some Canon coplers with faster copiers purchased from Kodak, The ortior s a cason machines ere expected to last 5 more years. They can each be toid immedately for 37,000 ; their resale value in 5 years wit be zera. The Canoh machines require 3operstors; they are each paid 518.00 an hour and work 40 hours a week and 52 weeks a year. The machines break down periodically, resulting in annual repair costs of 51.050 for each machine. The annaial cost of tupplies for each machine wours be $1,300. The total cust of the new Kodak equipnient will be 1275,000 . The equigment will hwe a life of 5 years and a tocal disposal value at that time of 318,000 . The kodak ayctem will recuire Whiv 2 regulat operators, working the same number of hours, but eaming 523.50 per hout, Kodak has offered the college a maintenance contract that covers all machine breakdowns: tris cose of the contract is $6,000 per year The cost of supplies for all the machines combined will be 35,520 a year. Mequired