Afirm determines that it can hire one more worker at a wage of $80 per day, and its mrp would increase by $100 for the day. the firm also determines that it can rent one more piece of capital equipment at a cost of $200 per day, and its mrp would increase by $250 for the day. in order to maximize profit, the firm

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%