Harvey Automobiles uses a standard part in the manufacture of several of its trucks. The cost of producing 80,000 parts is $170,000, which includes fixed costs of $40,000 and variable costs of $130,000. The company can buy the part from an outside supplier for $3.30 per unit, and avoid 30% of the fixed costs. If Harvey Automobiles makes the part, how much will its operating income be? O A. $122,000 greater than if the company bought the part 0 B. $122,000 less than if the company bought the part O C. $236,000 less than if the company bought the part 0 D. $236,000 greater than if the company bought the part