Mazoon Company sells yachts. During the current year, 100 yachts were sold resulting in $420,000 of sales revenue, $120,000 of variable costs, and $180,000 of fixed costs. The number of yachts that must be sold to achieve $150,000 of operating income is None of the given answers a units 40 bo units 100 C units 110 do units 3300 e