.Sunland, Inc., has collected the following information on its cost of electricity:

		Machine Hours		Total Electricity Costs
January		500		$200
February		540		$280
March		340		$200
April		470		$210
May		670		$280
June		730		$340
July		330		$180
August		530		$260
September		250		$146
October		750		$340
November		850		$350
December		600		$330

Restate the following income statement for a retailer in contribution format.

Sales revenue ($100 per unit)				$	77,000
Less cost of goods sold ($58 per unit)					44,660
Gross margin					32,340
Less operating costs:
Commissions expense ($7 per unit)	$	5,390
Salaries expense		7,800
Advertising expense		5,800
Shipping expense ($3 per unit)		2,310			21,300
Operating income				$	11,040

3. Complete each of the following contribution format income statements by supplying the missing numbers.

		a.		b.		c.		d.
Sales revenue		$enter the sales revenue amount in dollars		$549,648		$enter the sales revenue amount in dollars		$641,612
Variable expenses		222,420		enter the variable expenses amount in dollars		98,940		enter the variable expenses amount in dollars
Contribution margin		100,716		169,104		enter the contribution margin in dollars		493,104
Fixed expenses		enter the fixed expenses amount in dollars		98,900		125,916		enter the fixed expenses amount in dollars
Operating income		24,273		enter the operating income amount in dollars		enter the operating income amount in dollars		enter the operating income amount in dollars
Income taxes		enter the income tax amount in dollars		21,061		21,472		62,968
Net income		$16,991		$enter the net income amount in dollars		$64,416