tpx are related, such as the company's Grit 337 and its Sparkle silver polish Grit 337 is retained in the factory for further processing. It is $6.00 per jar and solutions for both industrial and household use. While most of its products are processing requires one-fourth pound of Grit 337 per jar of silver polish. The additional direct costs involved in the processed independently, a few to form a paste that is marketed as Sparkle silver polish. The silver polish seils for Direct labor 0 50 processing of a jar of sliver polish are: S 190 S 3.000 S 1400 The labor is a variable cost at and it does not wear out through use costs associated winte siver poish are 5% of sales