help!!

Bates Courier Services provides delivery services in and around Butte City. lis profits have been declining, and management is planning to add an express service that is expected to incroase revenue by $62,500 per year. The total cost to lease the necessary odditional package delivery vehicies from the local dealer is $10,000 per year. The present manager will continue to supervise all services at no increase in salary. Due to exponsion, however, the labor costs and utilities would increase by 50 percent. Rent and other costs will increase by 20 percent. The income statement assuming no expansion follows. Required: a. Prepare a report of the differential costs and revenues if the express service is added. Note: Enter all revenue and cost amounts as positive numbers; enter any loss ampunt with a minus sign