Komatsu has a 4.5 percent profit margin and a 15 percent dividend payout ratio. The asset turnover ratio is 1.6 and the assets-to-equity ratio (using beginning-of-period equity) is 1.77. What is the sustainable rate of growth?

1.91 percent6.12 percent10.83 percent11.26 percent12.74 percentNone of the above.