Mott Company's Sales Mix Is 3 Units of A, 2

Mott Company's sales mix is 3 units of A, 2 units of B, and 1 unit of C. Selling prices for each product are $20, $30, and $40, respectively. Variable costs per unit are $12, $18, and $24, respectively. Fixed costs are $320,000. What is the break-even point in composite units?

A) 4,000 composite units.
B) 2,666 composite units.
C) 1,600 composite units.
D) 1,111 composite units.
E) 5,000 composite units.