Ms. Worthington earns a base salary, b, plus a commission of 25% on sales that exceed $10,000 per month. Which equation can be used to find e, her total earnings for a month in which she has sales of $12,500 A) e = 0.25($12,500 – $10,000)b
B) e = 0.25(b + $12,500 – $10,000)
C) e = b + 4($12,500 – $10,000)
D) e = b + 0.25($12,500 – $10,000)