The following expression models the total money earned by setting up a food stall at a funfair, where x represents the number of cheeseburgers sold. What does the constant term in the above expression represent?

A.
The constant -10 represents the cost of setting up the food stall even if no cheeseburgers were sold.
B.
The constant -10 represents the cost of each cheeseburger at the food stall.
C.
The constant -10 represents the maximum number of cheeseburgers sold by the food stall at the funfair.
D.
The constant -10 represents the total money earned by setting up the food stall.