In 2019, Sunflower Co. had sales of $35 million, net income of $5.6. million, and a dividend payout ratio of 40%. The firm's total assets were $48 million and the firm had spontaneous financing of $7 million. All assets are presently being used at maximum capacity. What is Sunflower's sustainable growth rate for 2020? O a. 7.21% O b. 8.93% O c. 9.70% O d. 11.34%