McCartys has annual sales of $40,934, depreciation of $3,100, interest paid of $750, cost of goods sold of $22,400, taxes of $3,084, and dividends paid of $4,060. The firm has total assets of $55,300 and total debt of $32,600. The firm wants to maintain a constant payout ratio but does not want to incur any additional external financing. What is the firm's maximum rate of growth