Ploy Media publishes and sells two magazines, including Rural Living and Urban Living. Its contribution margin income statement for July 2019 is as follows.

Play Media
Contribution Margin income Statement
For the Month Ending July 31, 2019
	Rural	Urban	Total
Sales	$400,000	$150,000	$550,000
Variable Costs	155,000	65,000	220,000
Contribution Margin	245,000	85,000	330,000
Fixed Costs			150,000
Operating Profit			180,000

a) Calculate the company-wide contribution margin ratio.

b) Calculate the company-wide breakeven point in sales dollars.

c) Prove that your answer in part b) is correct by using the sales figure from part b) to prepare a contribution margin income statement similar to the one above.