Activity Based Costing: Refer to problem 2-36. Calculate the costs for the following situations.

a. After a preliminary examination, a customer finds she needs vision correction and chooses glasses.

b. A regular customer comes in and tells the doctor everything is fine, but she is leaving the country for six months and requests a glaucoma test and a second pair of glasses for the trip.

c. A new customer comes in and has his contact lens prescription with him but needs a new pair of lenses