According to the mean-variance criterion, portfolio A is better than portfolio B for a risk-averse investor whenever .

Melissa buys an iphone for $240 and gets consumer surplus of $160. a. what is her willingness to pay? b. if she had bought the iphone on sale for $180, what would her consumer surplus have been?

Consider the following condensed financial statements of money freedom comma inc. the company's target rate of return is 30%: (click the icon to view the comparative balance sheet.) (click the icon to view the income statement.) requirements 1. calculate the company's roi. round all of your answers to four decimal places. 2. calculate the company's profit margin ratio. interpret your results. 3. calculate the company's asset turnover ratio. interpret your results. 4. use the expanded roi formula to confirm your results from requirement 1. interpret your results. 5. calculate the company's ri. interpret your results. requirement 1. calculate the company's roi. round all of your answers to four decimal places. begin by selecting the formula to calculate return on investment (roi), and then enter the amounts to calculate the company's roi. (round your calculations to four decimal places and enter your answer as a percent, x.xx%)

The wall street journal reported that over a recent five-month period, a downturn in the economy has caused endowments to decline 23%. what is the estimate of the dollar amount of the decline in the total endowments held by these 10 universities (to the nearest billion)?