could you explain how to find these?

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 Contribution margin Fixed expenses Net operating income $ 20,000 12,000 8,000 6,000 $ 2,000 $ Foundational 6-8 8. What is the break-even point in unit sales? 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 Contribution margin Fixed expenses Net operating income $ 20,000 12,000 8,000 6,000 $ 2,000 Foundational 6-9 9. What is the break-even point in dollar sales? Break-even point 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 Contribution margin Fixed expenses Net operating income $ 20,000 12,000 8,000 6,000 2,000 $ Foundational 6-10 10. How many units must be sold to achieve a target profit of $5,000? Number of units 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 Contribution margin Fixed expenses Net operating income $ 20,000 12,000 8,000 6,000 $ 2,000 Foundational 6-11 11. What is the margin of safety in dollars? What is the margin of safety percentage? Margin of safety in dollars Margin of safety percentage %