95 Data for Fatima Corporation are shown below Total Per unit Sales $570,000 Variable expenses $318,000 53 Contribution margin $252,000 Fixed Expenses 307,000 Fixed expenses are $307,000 per month. The company is currently selling 5,000 units per month. Required: Management is considering using a new component that would increase the unit variable cost by $2. Since the new component would improve the company's product, the marketing manager predicts that monthly sales would increase 8%. What should be the overall effect on the company's monthly net operating income of this change of variable expenses per unit? If there is a decrease put minus sign next to the number