17. The number of units that must be sold annually to achieve $52,500 of profits is: (Sanchez & Ryan) A) 20,000 units. B) 15,000 units. C) 10,000 units. D) 5,000 units. 18. If sales increase by $19,500 in a year (from $65,000), profits will increase by: (for Sanchez & Ryan) A) $10,500. B) $17,500. C) $19,500. D) $35,000