please solve

instructions: Circle the correct answer for cach question. Llf a company increases its selling price by $2 per unit due to an increase in its variable labor cost of $2 per unit. the break-even point in units will: A) decrease. B) increase. C) not change. D) change but direction cannot be determined _ 2.If sales volume increases and all other factors remain constant, then the: A) contribution margin ratio will increase. B) breakeven point will decrease. C) margin of safety will increase. D) net operating income will decrease. 3.Rovinsky Corporation, a company that produces and sells a single product, has provided its contribution format income statement for November. Sales (5,700 units) $ 319,200 Variable expenses 188,100 Contribution margin 13 1,100 Fixed expenses 106,500 Net operating income $ 24,600 If the company sells 5,300 units, its net operating income should be closest to: A) $24,600 B) $2,200 C) $22,874 D) $15,400