Clark Manufacturing specializes in the manufacturing of slow cookers pots. In 2017. Clark made and sold 77.500 pots. The cost of the ceramic used to produce the pots is $4/lbs. The total variable manufacturing cost was $775,000. In 2018, Clark was able to increase units sold by 10%, and even though the price per pound of ceramic was held constant. Clark was able to drop the amount of input used to 2 pounds per pot How much of the change in operating income was due to cost in the growth component? 577.500 F $77.500 $37.250 U $37.250 F