I am not sure what I am doing wrong in this question

2 Plank's Plants had net income of $6,000 on sales of $90,000 last year. The firm paid a dividend of $2,100. Total assets were $500,000, of which $350,000 was nanced by debt. a. What is the firm's sustainable growth rate? (Do not round intermediate calculations. Enter your answer as a percent rounded to 1 7.33 decimal place.) points 6 Answer is complete but not entirely correct. Sustainable growth rate 3.7 0 % b. If the rm grows at its sustainable growth rate, how much debt will be issued next year? (Do not round intermediate calculations.) 6 Answer is complete but not entirely correct. New debt $ 12,950 3 c. What would be the maximum possible growth rate if the firm did not issue any debt next year? (Do not round intermediate calculations. Enter your answer as a percent rounded to 1 decimal place.) Q Answer is complete but not entirely correct. animnm nrrthh rain I 1 1 a lot