A music company produces a variety of electric guitars.The total cost of producing x

guitars is given by the function

C(x)=(29/100)x^2+8x+7000

where C(x) is given in dollars.Find the average cost of producing120 guitars.

a)$23.60

b)$31.53

c)$77.60

d)$120,015,000.00

e)$0.26

f)None of the above