Beauty Beyond Words Salon uses an activity based costing system to determine the cost of services. The salon has determined the costs of services by activity and activity usage as follows: Activity Activity Rate Hair washing $4.00 Conditioning 3.50 Chemical treatment 25.00 Styling 10.00 Hair Washing Conditioning Chemical Treatment Styling Haircut 1 1 0 0 Complete style 1 1 0 0 Perm 2 3 1 1 4 2 1 Highlights 3 The cost of services for a haircutis Oa. $3.50 Ob. 57.50 Oc. 54.00 Od. 51150