Diamond inc. planned to launch a new headphone model. before the launch, the company let people in three focus groups test the product. feedback was negative. the company immediately decided to change the product to address the most relevant complaints. when diamond inc. introduced the modified headphones, they became a huge hit. what process does this scenario represent?

Chang corp. has $375,000 of assets, and it uses only common equity capital (zero debt). its sales for the last year were $595,000, 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. 9.45%b. 9.93%c. 10.42%d. 10.94%e. 11.49%