1a) CaloriNA Corp. wants to maintaining a profit margin of 9% and a dividend payout ratio of 34%. The company has a total asset turnover of 0.38. What is the debtequity ratio that is required to achieve the firm's desired rate of sustainable growth of 2.4%? Explain your steps.

1b) What is the sustainable growth rate of the Mumu Melon Co. if the firms dividend payout ratio is 60%, total asset turnover is 1.40, profit margin is 5%, and equity multiplier is 1.75? Explain your steps.