Voltaic Electronics uses a standard part in the manufacture of different types of radios. The total cost of producing 27,000 parts is $105,000, which includes fixed costs of $50,000 and variable costs of $55,000. The company can buy the part from an outside supplier for $3 per unit and avoid 30% of the fixed costs. Assume that the company can use the freed manufacturing space to make another product that can earn a profit of $16,000. If Voltaic outsources, what will be the effect on operating income? O A. increase of $16,000 OB. decrease of $5,000 O C. decrease of $15,000 O D. increase of $5,000