Springtown Corporation has provided the following contribution format income statement. All ocions concern situations that are within the relevant range. Sales (3.000 units) $150,000 Variable expenses 20.000 Contribution margin 60,000 Fixed expenses 48.000 Net operating income $ 12,000 QUIRED: e. If sales decline to 2.900 units, what would be the estimated net operating income? t. If the selling price increases by S4 per unit and the sales volume decreases by 200 units, what would be the estimated net operating income? g. If the variable cost per unit increases by $5. spending on advertising increases by $3,000, and unit sales increase by 450 units, what would be the estimated net operating income? h. What is the break-even point in unit sales? What is the break-even point in dollar sales? Estimate how many units must be sold to achieve a target profit of $54,000