Julio Is Paid on a Graduated Commission Scale of 5

Short Answer

Julio is paid on a graduated commission scale of 5% on the first $20,000 of sales in a month, 7.5% on the next $20,000, and 10% on all additional sales. a) What will he be paid for a month in which his sales are $54,880? b) What single commission rate on all sales would result in the same earnings for the month?