At the beginning of last year, Yellow Company's balance sheet recorded $400,000 of equity and $320,000 of funded debt. The company's net income for the year was $36,000 and it it paid out $12,000 as a dividend. During the year Yellow Company added $19,200 of funded debt to its balance sheet. What is Yellow Company's sustainable growth rate?

[Enter your answer as a percentage to the nearest 0.01 percent without the percentage sign. For example, if your answer is 15.45% then enter 15.45]