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.

Refer to Figure 4-5.

What is the overall sales revenue at break-even?

a.$480,000

b.$387,200

c.$648,000

d.$778,800

e.$550,000