24. The Bridal Shop sells wedding dresses and prom dresses. Information on revenue and costs are as follows: Wedding Dress Prom Dress Sales price of dress $1,000 $300 Variable cost of dress 800 200 Variable selling costs 100 50 Total Fixed costs (for selling all dresses) $7,000 If the shop sells 3 wedding dresses for each prom dress sold, how many prom dresses will be sold to earn a profit of $10,500? a. 25 b. 30 c. 50 d. 60