wheels, inc. manufactures wheels for bicycles, tricycles, and scooters. for each cost given below, determine if the cost is a product cost or a period cost. if the cost is a product cost, further determine if the cost is direct materials (dm), direct labor (dl), or manufacturing overhead (moh) and then determine if the product cost is a prime cost, conversion cost, or both. if the cost is a period cost, further determine if the cost is a selling expense or administrative expense (admin). cost (a) is answered as a guide. (if an answer does not apply, leave the box blank.)