Liza needs to buy a textbook for the next economics class.

1. the price at the college bookstore is $65.
2. liza finds the textbook online at two sites.
3. the first website offers it for $55 and the second site for $57.
4. all prices include sales tax.
5. the accompanying table indicates the typical shipping and handling charges for the textbook ordered online.

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%