[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): Foundational 6.3 (Algo) 3. What is the variable expense ratio? 4. If sales increase to 1,001 units, what would be the increase in net operating income? (Round y 5. If sales decline to 900 units, what would be the net operating income? (Round "Per 6. If the seling price incresses by $2 per unit and the sales volume decteases by 100 uniti, whot would be the net operating income? (Round "Per Unit" calculations to 2 decimal places) T. If the variabie cost per unit increases by St, spending on advertising increases by 51950 , and unif sales increase by 290 units, What. Would be the net operating income? (Round "Per Unit" calculations to 2 decimal places.) 8. What is the break-even point in unit sales? (Round intermediate calculatio 9. What is the break-even point in dollar sales