Robinson inc, haswooperating departments Drilling and Grinding, and an office. The three categories offices are o departments using different location bases. The following information is available for the current post orice pene Salaries Depreciation Advertising total $33,000 21.500 44,500 Allocat com la Number of employees Cost of goods sold Net sales Number of employees Net sales Cost of goods sold Drilling Grinding 1,240 1,860 $329,75 $482, 125 $ 79,500 $132.500 Total 3.100 $312.000 $212,000 the amount of the total office expenses that should be allocated to Grinding for the current period is (Do not round your intermediate calculations) Multiple Choice $39.360