1. (10 points) Indicate whether the following costs would be a direct material (DM), direct labor (DL), manufacturing overhead (MOH) or period cost (PC) for a plane manufacturer. a. Wages paid to assembly-line workers b. Wages paid to paint the plane c. Jet engines for the planes $10 DL $28 DL DM d. Salary paid to the President of the company e. Passenger seats for the planes f. Depreciation on robotic assembly-line equipment g. Utilities used factory h. Insurance costs on the office building i. Salaries paid to salespersons j. Tires used on the planes MOH DM V MOHV DM) MOH DL OMV