Standlar Company makes wireless speakers. The standard model price is $360 and variable expenses are $210. The deluxe model price is $500 and variable expenses are $300. The superior model price is $1,600 and variable expense per unit is $600. Total fixed expenses are $300,000. Generally, Standlar sells 8 standard models and 4 deluxe models for every superior model sold. What is the overall sales revenue at break-even?

	a.	$387,200
	b.	$550,000
	c.	$648,000
	d.	$480,000
	e.	$778,800