Cole Corporation makes and sells two models of desk, a standard and a deluxe. The selling prices of the desks are $$1,200$ and $$2,000,$ respectively. The variable costs per unit are $$600$ for the standard model and $$1,000$ for the deluxe model. Last year Cole's sales were $$720,000$ for the standard model and $$800,000$ for the deluxe model. Cole's total fixed cost is $$532,000.$ Assuming the sales mix remains the same, how many of the standard model must be sold to breakeven?

Multiple Choice

$420$

$540$

$640$