Colby Company makes cases for ceil phones of all sizes and types for sale through speciaity retailers. The compary makes a standard nodel for the most recent Phone as well as a deluxe model. Management has designed an ABC systern with the following activity cost poots and activity rates for these models: Management would hike an analysis of the profitabily of a particular customer, Cell City, which has ordered the following products over the last 12 months: The companys direct labour rate is $26 per hour Required: Nequired Using the compary's ABC system, compute the custamer margin of Cell City