Assets and costs are proportional to sales. Debt and equity are not. The company maintains a constant 22 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. 6.05% 15.71% 3.98% 16.21% 15.21%