Calculating IGR: The most recent financial statements for Bello Co. are: sales = $18,900, Costs = $12,800, tax rate 21%, current assets = $11,700, fixed assets = $26,500, total debt = $15,700, and total equity = $22,500. Assets and costs are proportional to sales. Debt and equity are not. The company maintains a constant 30% dividend payout ratio. What is the internal growth rate? what is the sustainable growth rate? 0