Larissa uses a $10 bill to buy lunch. The equation representing the relationship between l, the price of lunch, and c, the amount of change received, is c = 10 - l. Which of the following statements is NOT true?

The costs of lunch and amounts of change are not in the same ratio.

The price of lunch and the amount of change decrease together at a constant rate.

The graph does not include values for c that are less than $0 or greater than $10.

As the price of lunch increases by 1 unit, the amount of change decreases by 1 unit