Sell or Process Further Come-Clean Corporation produces a variety of cleaning compounds and solutions for be and household use. While most of its products are ressed independently a few are related, as the company's Grit 337 and its Sparkle Silver Polish. aning compounds and solutions for both industrial Grit 337 is a coarse cleaning power with many industrial use costs $1.60 a pound to make, and has a selling price of $2.00 g pound. Aumoll portion of the annual production of Grit 337 is retained in the factory for further processing to combined with several other ingredients to form a paste that is marketed as Sparkle silver polish. The silver polish sells for $4.00 per jar, and right now.me company is selling 9,000 lors of Sparkle silver polish. This further processing requires one-fourth pound of Grit 337 per lar of silver pollsh. The additional direct costs involved in the processing of a jar of silver polish are Other Ingredients: Direct Labor Total direct cost $0.65 $1.48 $2.13 Overhead costs associated with processing the silver polish are: Variable manufacturing overhead costs 25% of direct labor cost Fixed manufacturing overhead cost (per month) Production supervisor $13,000 Depreciation of mixing equipment $1,400 The production supervisor has no duties other than to oversee production of the silver polish. The mixing equipment is special-purpose equipment acquired specifically to produce the silver polish. Its resale value is negligible. Direct labor is a variable cost at Come-Clean Corporation. The company is wondering whether the further processing of Sparkle silver polish is advisable. The sales manager feels that it would be more profitable to sell all of the Grid 337 as a cleaning powder. Do you agree with the sales manager Assuming Sparkle sales remain at 9,000 jars, by how much does the further processing of Grit 337 into Sparkle silver polish increase or decrease net income