Trey's Trucks uses a standard part in the manufacture of several of its trucks. The cost of producing 50,000 parts is $170,000, which includes foxed costs of $90,000 and variable costs of $80,000. The company can buy the part from an outside supplier for $3.10 per unit and avoid 30% of the fixed costs If the company makes the part, how much will its operating income be? O A $48,000 greater than if the company bought the part OB. $92,000 less than if the company bought the part C. $48,000 less than if the company bought the part OD. $92,000 greater than if the company bought the part