Standlar Company makes two different models (standard and deluxe) of wireless speakers. The standard model price is $300 and its variable expense per unit is $200. The deluxe model price is $700 and its variable expense per unit is $400. Total fixed expenses are $450,000. Generally, Standlar sells three standard models for every one deluxe model sold. What is the number of standard models sold at breakeven for Standlar? A. 750 B. 3,000 C-2,250 D. 1,500 E. None of these choices