olby Company makes cases for cell phones of all sizes and types for sale through specialty retailers. The company makes a standard hodel for the most recent iPhone as well as a deluxe model. Management has designed an ABC system with the following activity cost pols and activity rates for these models: Management would like an analysis of the profitability of a particular customer, Cell City, which has ordered the following products over the last 12 months: The company's direct labour rate is $16 per hou. Required: Using the company's ABC system, compute the customer margin of Cell City. \begin{tabular}{|l|l||l|} \hline & & \\ \hline Sales & & \\ \hline Costs: & & \\ \hline Direct materials & & \\ \hline Direct labour & & \\ \hline Supporting manufacturing & & \\ \hline Order processing & & \\ \hline Customer service & & \\ \hline Customer margin & & \\ \hline \end{tabular}