Foundational (LO5-1, LO5-3, LO5-4, LO5-5, LO5-6, LO5-7, LO5-8] [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): Sales Variable expenses $20,000 12,000 Contribution margin Fixed expenses 8,000 6,000 Net operating Income $ 2.000 Foundational 5-1 Required: 1. What is the contribution margin per unit? Contribution margin per unit Foundational 5-4 4. If sales increase to 1,001 units, what would be the increase in net operating income? Increase in net operating income Foundational 5-7 7. If the variable cost per unit increases by $1, spending on advertising increases by $1,500, and unit sales increase by 250 units, what would be the net operating income? Net operating income Foundational 5-10 10. How many units must be sold to achieve a target profit of $5,000? Number of units Foundational 5-13 13. Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 5% increase in sales? Increase in net operating income %