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	$85,000
Variable expenses	59,500
Contribution margin	25,500
fixed expenses	20,400
net operating income	5,100

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

7) If the variable cost per unit increases by $1, spending on advertising increases by $1,750, and unit sales increase by 250 units, what would be the net operating income?

8) what is the break-even point in unit sales?

9) what is the break-even point in dollar sales?

10) How many units must be sold to achieve a target profit of $15,300?