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	$	20,300
Variable expenses		12,100
Contribution margin		8,200
Fixed expenses		6,232
Net operating income	$	1,968
1. What is the contribution margin per unit? (Round your answer to 2 decimal places.) contribution margin per unit ________ 2. What is the contribution margin ratio? (Enter your answer as a percentage rounded to 2 decimal places (i.e., 0.13579 should be entered as 13.58).) Contribution margin ratio ___________% 3. What is the variable expense ratio? Round your percentage answer to 2 decimal places (i.e .1234 should be entered as 12.34). Variable expense ratio _________% 4. If sales increase to 1,001 units, what would be the increase in net operating income? (Round your answer to 2 decimal places.) Increase in net operating income _________ 5. If sales decline to 900 units, what would be the net operating income? (Do not round intermediate calculations.) Net Operating Income ________