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	$	105,000
Variable expenses		73,500
Contribution margin		31,500
Fixed expenses		27,720
Net operating income	$	3,780

10. How many units must be sold to achieve a target profit of $18,900?