Sahar starts with g $69 and then pays $39 for a new my Phone. For an additional $19 she can fully insure her phone against all damage. Sahar figures that there is a 25% chance she will completely ruin her phone by dropping it, after which she would definitely pay the $39 to replace it. Her utility is given by , where includes the total value of her cash and of her phone. What is Sahar's expected utility if she buys the insurance

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%