Lighten Up Lamps, Inc., manufactures table lamps and other lighting products. For each of the following costs, choose "Yes" to indicate the category of product cost and whether it is a prime cost, conversion cost, or both. (Select 'No' in the inappropriate cells.) PRODUCT COSTS Direct Materials Direct Labor Mfg. Overhead Prime Cost Conversion Cost Production supervisor salary Cost of lamp shades Wages of person who assembles lamps Factory rent Wages of person who paints lamps Factory utilities Screws used to assemble lamps