The most recent financial statements for Mandy Co. are shown here. Assets and costs are proportional to sales. Debt and equity are not. The company maintains a constant 30 percent dividend payout ratio. What is the internal growth rate? Input area: \begin{tabular}{|lrr|} \hline Sales & $16,400 \\ Costs & 11,200 \\ Taxable income & $5,200 & \\ \cline { 2 - 3 } Taxes & 1,092 \\ Net income & $4,108 & \\ Current assets & $11,200 Debt & $13,600 \\ Fixed assets & 24,300 Equity & 21,900 \\ \cline { 2 - 3 } Total & $35,500 \\ Total & 30% & $35,500 \\ Payout ratio & 21% & \\ Tax rate & & \\ \hline \end{tabular} (Use cells A6 to D15 from the given information to complete this question.) Output area: Return on assets Retention ratio Internal growth rate