The following activities occur at Greenwich Corporation, a company that manufactures a variety of products: Required: Classify each of the activities below as either a unit-level, batch-level, product-level, or facility-level activity Activity Classification Activity Various individuals manage the parts inventories. a. A clerk in the factory issues purchase orders for a job. b The personnel department trains new production workers. The factory's general manager meets with other department heads to coordinate plans. d. Direct labor workers assemble products. e Engineers design new products. f. The materials storekeeper issues raw materials to be used in jobs. g The maintenance department performs periodic preventive maintenance on general-use equipment. h