7) Marte Corporation has provided the following contribution format income statement. All questions concern situations that are within the relevant range. Round to nearest dollar or whole unit. Each question is independent ! Sales (5,000 units) $ 350, 000 Variable expenses 210, 000 Contribution margin 140, 000 Fixed expenses 60, 000 Net operating income $ 80, 000Required: a. What is the contribution margin ratio? b. If sales increase to 5,060 units, what would be the estimated increase in net operating income? c. If the selling price increases by $5 per unit and the sales volume decreases by 200 units, what would be the estimated net operating income? d. What is the break-even point in unit sales? e. What is the margin of safety in dollars? f. What is the degree of operating leverage? g. If sales decrease by 5 % because the advertising budget a (fixed cost) was slashed by $ 16,000, what would be the new net operating income? h. What is variable expense ratio? i) What is breakeven point in dollars? j) Marte is looking at a target profit - $ 45,000 instead of status quo, how many units must be sold to pull this off? k) what is margin of safety percentage? I) what is estimated increase in NOI if there is an estimated 10 % increase in sales m) what does degree of operating leverage measure? define