Presented here is the income statement for Big Sky Incorporated for the month of February:

Sales	$ 61,500
Cost of goods sold	50,200
Gross profit	$ 11,300
Operating expenses	15,800
Operating loss	$ (4,500)

Based on an analysis of cost behavior patterns, it has been determined that the company's contribution margin ratio is 18%.

Required:

1. Rearrange the preceding income statement to the contribution margin format.
2. If sales increase by 15%, what will be the firm's operating income (or loss)?
3. Calculate the amount of revenue required for Big Sky to break even.