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 Total Allocation Basis Number of employees Salaries $ 52,000 Depreciation Advertising 37,000 75,000 Cost of goods sold Percentage of total sales Department Number of employees Drilling 1,600 Grinding 2,400 Sales $ 400,000 600,000 Cost of goods sold Total 4,000 $ 1,000,000 $ 152,000 248,000 $ 400,000 The amount of the total office expenses that should be allocated to Drilling for the current period is: $64,860. $100,000. $111,800. $164,000. $600,000.