Which of the following is most likely to increase a firm's discretionary financing need? (note: consider each in isolation)

• Decrease sales growth rate
• Increase plowback ratio
• Increase net profit margin
• Decrease inventory turnover ratio

Which of the following is most likely to decrease the sustainable growth rate? (Note: consider each in isolation)

• Increase the payout ratio
• Decrease the sales growth rate
• Increase the debt ratio
• Increase the net margin