SLM Co. is deciding between two compensation plans. In Plan A, salaries are $100,000 and the commission is $2 per unit. In Plan B, salaries are $40,000 and the commission is $4 per unit. At what level of sales, in units, is SLM indifferent between the two compensation plans? 0 30,000 0 20,000 0 10,000 0 Cannot be determined