19. If net operating income is $50,000, average operating assets are $250,000, and the minimum required rate of return is 10%, what is the residual income? a. 30,000 b. 10,000 c. 15,000 d. 25,000 20. Amie Inc. is starting business and is unsure whether to sell its product assembled or unassembled. The unit cost of the unassembled product is $60 and the company would sell it for $135. The cost to assemble the product is estimated at $27 per unit and the company would sell it at $174. What is the financial advantage (disadvantage) for the company to assemble the product rather than selling it unassembled? a. Financial advantage of $12 b. Financial disadvantage of $12 c. Financial advantage of $30 d. Financial disadvantage of $30