Plzz help me i dont know this

Ace Car rental charges an initial fee of $26 plus $0.32 per mile driven. The equation C = 0.32m + 26 models the total cost to rent a car, C, depending on the number of miles driven, m.
What is the slope? Explain what it means within the context of the problem.
A. The slope is 26. It means that the cost will increase by $26 for every mile driven.
B. The slope is 26. It means the initial fee is $26.
C. The slope is 0.32. It means that the cost will increase by $0.32 for every mile driven.
D. The slope is 0.32. It means the initial fee is $0.32.