LUL'HVI- b) The management of FastQ company is able to estimate the number of copies to be sold at each establishment. Present a decision rule that would enable FastQ company to select the most protable machine without having to make a separate cost calculation for each establishment. (Hint: to specify a decision rule, determine the volume at which FastQ would be indifferent between the small and medium copiers. Then determine the volume at which FastQ would be indifferent between the medium and large copiers.)