Chang Corp. has $375,000 of assets, and it uses only common equity capital (zero debt). Its sales for the last year were $515,000, and its net income was $25,000. Stockholders recently voted in a new management team that has promised to lower costs and get the return on equity up to 15.0%. What profit margin would the firm need in order to achieve the 15% ROE, holding everything else constant?

a. 10.92%
b. 9.41%
c. 11.82%
d. 8.11%
e. 12.66%