Ricco was reviewing the water bill for his carwash business and determined that the highest bill, $6,000, occurred in July when 2,000 cars were washed. The lowest bill, $4,500, occurred in February when 1,000 cars were washed. Use the high-low method to answer the following questions.

What was the fixed portion of the water bill at the car wash?

Question 43 options:

$5,250

$3,000

$1,500

$5,000