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	$ 40,000
Variable expenses	26,000
Contribution margin	14,000
Fixed expenses	8,680
Net operating income	$ 5,320

1. If the selling price increases by $2 per unit and the sales volume decreases by 100 units, what would be the net operating income? (Round "Per Unit" calculations to 2 decimal places.)
2. If the variable cost per unit increases by $1, spending on advertising increases by $1,300, and unit sales increase by 160 units, what would be the net operating income? (Round "Per Unit" calculations to 2 decimal places.)
3. What is the break-even point in unit sales? (Round intermediate calculations to 2 decimal places.)
4. What is the break-even point in dollar sales?
5. How many units must be sold to achieve a target profit of $8,400?