3. (15 points) Hamiel Corporation produces and sells a single product. Data concerning that product appear below: Selling price Variable expenses Contribution margin Per Unit S240 168 $ 72 Percent of Sales 100% 70% 30% Fixed expenses are $301,000 per month. The company is currently selling 5,000 units per month Required: The marketing manager would like to introduce sales commissions as an incentive for the sales staff. The marketing manager has proposed a commission of S16 per unit. In exchange the sales staff would accept an overall decrease in their salaries of $68,000 per month. The marketing manager predicts that introducing this sales incentive would increase monthly sales by 200 units. What should be the overall effect on the company's monthly net operating income of this change? 4. (5 points) Hawver Corporation produces and sells a single product. Data concerning that product appear below: Selling price per unit Variable expense per unit Fixed expense per month $ 180.00 $ 81.00 $ 594,000 Required: Assume the company's monthly target profit is $19,800. Determine the unit sales to attain that target profit