Zipco sells two products, L and M PRODUCT L PRODUCT M $31 $17 Sales (per unit) Variable Costs (per unit) Contribution Margin (Per Unit) $18 $12 $13 $5 Last year the company sold 165,000 of the L product and 247,500 of the M product. Total fixed costs last year amounted to $1,098,800. REQUIRED: What is the breakeven point, assuming the sales mix is determined by the unit sales for the year Select one: a. 53,600 units of M and 80,400 units of L O b. 19,448 units of M and 29,172 units of L O c. 53,600 units of L and 80,400 units of M d. 19,448 units of L and 29,172 units of M