In 2019, Brenner Inc, expects to sell 60,000 balls. Brenner is budgeting the following: Sales Variable expenses Fixed expenses $10 per unit $4 per unit $240,000 12. Brenner is considering increasing advertising by $30,000 in 2019. How many units must the company sell in order to still generate $120,000 of net operating income? a. 60,000 units. b. 65,000 units. c. 63,000 units. d. 67,500 units