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	$ 45,000
Variable expenses	31,500
Contribution margin	13,500
Fixed expenses	8,640
Net operating income	$ 4,860

If sales decline to 900 units, what would be the net operating income?

If the selling price increases by $2 per unit and the sales volume decreases by 100 units, what would be the net operating income?

If the variable cost per unit increases by $1, spending on advertising increases by $1,350, and unit sales increase by 170 units, what would be the net operating income?

What is the break-even point in unit sales?

What is the break-even point in dollar sales?