King's Appliance Shop operates retail stores that sell appliances. The cost objects are the individual sales

of a given type of appliance and sales support. In July, the following costs were recorded for

refrigerators:

Required:

a$.$ Which of the costs will be subject to direct cost tracing?

b$.$ What is the total cost for refrigerators?

c$.$ What is the total cost of the Sales Support for refrigerators?