Marks Corporation has two operating departments, Drilling and Grinding, and an office. The three categories of office expenses are allocated to the two operating departments using different allocation bases. The following information is available for the current period: Office Expenses Salaries Depreciation Advertising Total $ 44,000 21,000 44,000 Allocation Basis Number of employees Cost of goods sold Percentage of total sales Department Drilling Grinding Total Number of employees 900 2,100 3,000 Sales $ 350,000 525,000 $ 875,000 Cost of goods sold $ 91,200 148,800 $ 240,000 The amount of the advertising cost that should be allocated to Drilling for the current period is