The Great Foods Company processes milk into skim milk and butter. This year 70,000 gallons of milk will be processed at a cost of $40,000. If processed to the split-off point, this will yield 40,000 gallons of skim milk and 10,000 pounds of butter. Skim milk is sold to distributors for $1 per gallon and butter is sold for $0.75 per pound. Great Foods has the option of processing the two products further. Skim milk can be processed into condensed milk and sold for $0.80 per can. One gallon of skim milk makes 2 cans of condensed milk. To process 40,000 gallons of skim milk will cost $18,000. Butter can bo processed into cake frosting that is sold in containers for $2 each. One pound of butter goes into each container of frosting. The cost of processing 10,000 pounds of butter into frosting costs $15,000. b. What is the total joint cost allocated to skim milk and butter if the sales value at split-off method is used