Mountain Camps, Inc. leases the land on which it builds camp sites. Mountain is considering opening a new site on land that requires $2,500 of rental payment per month. The variable cost of providing service is expected to be $6 per camper. The following chart shows the number of campers Mountain expects for the first year of operation of the new site: Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Total 120 250 200 200 300 500 650 650 350 380 100 300 4,000