AC51370 company produces and sells a product with the following characteristics: Selling price Variable expenses Contribution margin Per Unit $ 238 53 $ 185 The AC51370 company is currently selling 7,800 units per month. Fixed expenses are $882,000 per month. The sales manager would like to introduce commissions as an incentive for the sales staff. The sales manager has proposed a commission of $27 per unit. In exchange the sales staff would accept a decrease in their salaries of $57,000 per month.This is the company's savings for the entire sales staff.) The manager predicts that introducing this sales incentive would increase monthly unit sales by 22%. What would be the overall effect on AC51370 company's monthly net operating income of this change? Multiple Choice O increase of $145,800 Increase of $88,800 increase of $110,232 increase of $117,528