Answer:
Tony earned $2,250 for the month.
Step-by-step explanation:
Tony sold $41,000 during the month.
Commission on the first $15,000 = 4% * 15,000 = $600
Commission on the next $20,000 = 6% x 20,000 = $1,200
Commission on the final $6,000 = 7.5% x 6,100 = $450
Total commission is $2,250.