Campus Care Packages produces and sells a single product with a selling price of $$140$ and a $70\%$ CM ratio. Fixed expenses are $$490,000$ per month. The company is currently selling $6,000$ units per month. The marketing manager would like to introduce sales commissions as an incentive for the sales staff. The marketing manager has proposed a commission of $$11$ per unit. In exchange, the sales staff would accept a decrease in their salaries of $$58,000$ per month. $($This is the company$$s savings for the entire sales staff.$)$ The marketing manager predicts that introducing this sales incentive would increase monthly sales by $100$ units. What should be the overall effect on the company$$s monthly net operating income of this change?