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	$	70,000
Variable expenses		38,500
Contribution margin		31,500
Fixed expenses		23,310
Net operating income	$	8,190

Required:

1. What is the contribution margin per unit? (Round your answer to 2 decimal places.)

2. What is the contribution margin ratio?

3. If sales increase to 1,001 units, what would be the increase in net operating income? (Round your answer to 2 decimal places.)