Kylie lays bricks for a living. To model her daily income, she writes the equation y = 100 + 0.5x, where x represents the number of bricks laid that day. What does the x coefficient represent in this situation?
A) There is not a coefficient on the x.
B) Kylie's daily income will decrease as she lays bricks since 0.5 < 1.
C) Kylie will increase her daily income by $0.50 for each brick she lays.
D) Kylie will make a base income of $100, no matter how many bricks she lays.