Deprey, Incorporated, had equity of $155,000 at the beginning of the year. At the end of the year, the company had total assets of $310,000. During the year, the company sold no new equity. Net income for the year was $33,000 and dividends were $4,200. a. Calculate the internal growth rate for the company. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the internal growth rate using ROA b for beginning of period total assets. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c. Calculate the internal growth rate using ROA b for end of period total assets. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)