Standlar Company makes and sells wireless Speakers. The price of the standard model is $350 and its variable expenses are $210. The price of the dele model is $500 and its variable expenses are $300. The price of the superior model is $1.600 and its variable expense per unit is 5600. The total fled expenses are $300,000. Generally, Standar sal standard models und 4 del mattis for every superior model sold. What is the number of superior models sold by Standlar at the break-even polot? d