QUESTION 12 Carrol Company has sales of $9,000,000, operating assets of $3,600,000, a return on investment of 15%. The firm's sales margin is: 6.0% 2.0% 15.0% 37.5% QUESTION 13 Becalm Company has obsolete inventory of parts that cost $90,000 to manufacture. The 20.000 parts can be sold as scrap metal for $14,000, or be reworked at a cost of $30,000 and then sold for $50,000. If the firm choose to rework the parts instead of scraping them, operating income wil increase by 536,000 increase by 56,000 decrease by $40,000 decrease by $14,000