a production company determined the average cost of employing each employee and then created the forecast to determine their net profit (gross profit minus the cost of x employees)

in the graph below f(x) is the net profit, n=32, m=64 and p=$339,968
during which interval are the employee cost greater than the company earnings?
a. (64,∞)
b. (0,32)
c. (32,∞)
d.(0,64)