A company has two departments, Y and Z that Incur advertising expenses of $21,000. Advertising expenses are allocated based on sales. Department Y has sales of $480,000 and Department Z has sales of $720,000. The advertising expense allocated to Departments Y and Z, respectively, are: Multiple Choice O $7,200: $13.800. O $13,400: $7.600. O $12.600; $8,400. O $8.400; $12.600. O $7.600; $13.400