Question $66$ of $85.$

Samuel is a self$-$employed vehicle mechanic. Ivy is a professional dog sitter. Both are members of a barter club. They agreed to exchange their services for payment. Samuel repaired the brakes on Ivy's car, and lvy cared for Samuel's poodle while he was away on vacation for two weeks. Samuel usually charges $$600$ for brake repair, and lvy usually charges $$400$ for dog sitting. During the year, Samuel had cash income of $$18,000$ and credit card income of $$15,500.$ What is the total of Samuel's gross receipts?

$$15,900$

$$33,500$

$$33,900$

$$34,100$