a. Airplane seats. b. Production supervisors' salaries 310 c. Depreciation on forklifts in factory 190 d. Machine lubricants. 100 e. Factory janitors' wages f. Assembly workers' wages g. Property tax on corporate marketing office h. Plant utilities 25 i. Cost of warranty repairs. 45 680 j. Machine operators' health insurance 35 k. Depreciation on administrative offices 160 230 I. Cost of designing new plant layout 30 20 m. Jet engines 155 1,700 Requirement 1. Assuming the cost object is an airplane, classify each cost as one of the following: direct material (DM). direct labor (DL), indirect labor (IL), indirect materials (IM), other manufacturing overhead (other MOH), or period cost. What is the total for each type of cost? (Enter currency amounts in thousands and not in dollars. If an input field is not used in the table leave the input field empty; do not enter a zero.)