Average Cost Jester Sports manufactures tennis rackets. The total cost of producing :c rackets per hour is given bv 0(3) 2 2.44 m2+ 5.5 m + 4os. C(21) E The average cost per racket at production level 1' rackets per hour is C(33) 2 Use differential approximations to estimate the change in average cost per racket if the production is increased from 213 per hour to 24 per hour. Round to the nearest cent. $ per racket MUTE: Your answer mav be negative