Granville Community College is considering outsourcing the maintenance of its buildings and other facilities to an outside firm for $450,000 per year. The 2015 budget is as follows.

Direct expenses Wages $4,500 per worker per month Benefits 65% of wages per worker per month Maintenance, repair, and operating supplies $1,500 per worker per month Indirect expenses Supervisor salary $6,000 per supervisor per month Benefits 75% of wages per supervisor per month Other office expenses $1,500 per supervisor per month

Make an assumption that there are 3 workers and 1 supervisor in the firm.

The total cost per year of the insourcing option is $465,300

The total cost per year of the outsourcing option is $.......

FIND TOTAL COST PER YEAR OF THE OUTSOURCING OPTION!!!!