Question 7 18 388ther question will save this response. Wednesday Corporation operates two stores: A and B. The following information relates to store B: Sales revenue Variable operating expenses Fixed expenses: $89,000 $39,000 Traceable to B and controllable by B $9,000 Traceable to B and controllable by others $21,000 The profit margin controllable by store B's manager is: (Do not round intermediate calculations. Round the final answer to the nearest whole dollars.)