Marks Corporation has two operating departments, Drilling and Grinding, and an office. The three categories of office expenses are allocated to the two departments using different allocation bases. The following information is available for the current period: Office Expenses Total Allocation Basis Salaries $52,000 Number of employees Depreciation 31,000 Advertising 73,000 Cost of goods sold Net sales Item Number of employees Net sales Cost of goods sold Drilling Grinding Total 2,760 4,140 6,900 $360,750 $527,250 $888,000 $108,000 $180,000 $288,000 The amount of the total office expenses that should be allocated to Grinding for the current period is (Do not round your intermediate calculations.)