5. Appraise the results on profits on each of the above suggestions in comparison to the current level of profits observed in the current period. a. Which of the four proposals contribute the most to profitability? b. Which measure do you think is more suitable to raise profits in the short- term and why? c. Which of the four propose measures has the largest impact to the firm's level of operating leverage and why? Why is this important. Explain fully. structions