Harvey Automobiles uses a standard part in the manufacture of several of its trucks. The cost of producing 70,000 parts is $140,000, which includes fixed costs of $70,000 and variable costs of $70,000. The company can buy the part from an outside supplier for $3.20 per unit, and avoid 30% of the fixed costs. If Harvey Automobiles makes the part, how much will its operating income be? A. $175,000 greater than if the company bought the part B. $133,000 greater than if the company bought the part C. $175,000 less than if the company bought the part D. $133,000 less than if the company bought the part