Answer:
$4540
Explanation:
Last saturday Randall sold a house for $109,000
1) He receives 4% on any sale up to 100,000
Multiply $100,000 by 0.04
2) He receives 6% for any amount over the $100,000
Multiply $9,000 by 0.06
Sum the two amounts
Randall make $4,540 in commission selling the house.