The student health center employs one doctor, three nurses, and several other employees. How would you classify (1) the nurse's salary, and (2) film and other materials used in radiology to give X-rays to students? Assume the activity is the number of students visiting the health center.

Option	Nurses Salaries	Film and Other Materials Used in Radiology
A	Fixed cost	Fixed cost
B	Fixed cost	Variable cost
C	Variable cost	Fixed cost
D	Variable cost	Variable cost

(Points : 4)

Option A

Option B

Option C

Option D