[The following information applies to the questions displayed below.] Oslo Company prepared the following contribution format income statement based on a sales volume of 1,000 units (the relevant range of production is 500 units to 1,500 units): What is the break-even point in unit sales? (Round intermediate calculations to 2 decimal places.) 0. How many units must be sold to achieve a target profit of $8,400 ? (Round intermediate calculations to 2 decimal places.) 14. Assume that the amounts of the company's total variable expenses and total fixed expenses were reversed. In other words, assume that the total variable expenses are $8,680 and the total fixed expenses are $26,000. Under this scenario and assuming that total sales remain the same, what is the degree of operating leverage? (Round your answer to 2 decimal places.) 4. If sales increase to 1,001 units, what would be the increase in net operating income? 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,500, and unit sales increase by 250 units, whot would be the net operating income