Sell or Process Further Come-Clean Corporation produces a variety of cleaning compounds and solutions for bom and household use. While most of its products are processed independently. a few are related as the company's Grit 337 and its Sparkle Silver Polish. Grit 337 is a coarse cleaning power with many industrial uses. It costs $1.60 a pound to make, and it nas a selling price of $2.00 a pound. A small portion of the annual production of Grit SS is fermed in the factory for further processing. It is 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, the company is selling 9,000 jars of Sparkle silver polish. This further processing requires one-tourth pound of Grit 337 per jar of silver polish. 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: 25% of direct labor cost Variable manufacturing overhead costs Fixed manufacturing overhead cost (per month): Production supervisor Depreciation of mixing equipment in $13,000 $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 ales manager feels that it would be more profitable to sell all of the Grit 337 as a cleaning powd So you agree with the sales manager Assuming Sparkle sales remain at 9,000 jars, by how much bes the further processing of Grit 337 into Sparkle silver polish increase or decrease net income