6.21% is wrong

The most recent financial statements for Live Co. are shown here: Assets and costs are proportional to sales. Debt and equity are not. The company maintains a constant 20 percent dividend payout ratio. What is the fastest the company could grow while keeping the current debt-equity ratio constant and without issuing new shares? (Do not round your intermediate calculations.) HINT: You must know the difference between IGR and SGR. 3.61% 16.17% 6.21% 15.67% 16.67%