In the table below, fill in the missing amounts for the four companies. Each case is independent of the others. Assume that only one product is being sold by each company.
				Company A		Company B		Company C		Company D
	Units sold			600		?		?		900
	Sales in dollars			$30,000		$70,000		$240,000		?
	Total variable expenses			$7,200		?		?		$144,000
	Per unit C/M			?		$80		$270		$140
	Total fixed expenses			$20,000		$50,000		$145,000		?
	Net operating income (loss)			?		$6,000		($10,000)		($24,000)