Analysis of growth, price-recovery, and productivity components (continuation of 13-19) Refer to Exercise 13-19. Suppose that the market for silk-screened T-shirts grew by 10% during 2009. All other increases in Oceano’s sales were the result of its own strategic actions. Calculate the change in operating income from 2008 to 2009 due to growth in market size, cost leadership and product differentiation. How successful has Oceano been in implementing its strategy? Explain.