I need help to solve this problem, Can someone explain me step by step how to solve it? Wendy Epstein, a sales representative, earns an annual salary of $29,500 and receives a commission on that portion of her annual sales that exceeds $150,000. The commission is 8.5% on all sales up to $50,000 above the quota. Beyond that amount, she receives a commission of 10%. Her total sales for the past year were $295,000. Compute: a.The regular annual salary b.The commission c.The total annual earnings