The most recent financial statements for Schenkel are shown here Income Statement Sales $$18,100$ Costs $13,900$ Balance Sheet Current $$12,200$ Debt assets Fixed assets $29,500$ Equity $ $16,70025,000$ Taxable $ $4,200$Total $ $41,700$Total $ $41,700$ income Taxes $(40\%)1,680$ Net income $ $2,520$ Assets and costs are proportional to sales. Debt and equity are not. The company maintains a constant $25$ percent dividend payout ratio. No external equity financing is possible. What is the sustainable growth rate? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$ Sustainable growth rate $\%$