Why is eyewitness testimony convining?

Which of the following best explains how the invention of money affected the barter system? a. the invention of money supplemented the barter system by providing a nonperishable medium of exchange b. the invention of money completely replaced the barter system with a free-market system c. the invention of money had no effect on the barter system d. the invention of money drastically reduced the value of goods used in the barter system 2b2t

Astock is selling today for $50 per share. at the end of the year, it pays a dividend of $3 per share and sells for $58. a. what is the total rate of return on the stock? (enter your answer as a whole percent.) b. what are the dividend yield and percentage capital gain? (enter your answers as a whole percent.) c. now suppose the year-end stock price after the dividend is paid is $42. what are the dividend yield and percentage capital gain in this case? (negative amounts should be indicated by a minus sign. enter your answers as a whole percent.)

The 39 percent and 38 percent tax rates both represent what is called a tax "bubble." suppose the government wanted to lower the upper threshold of the 39 percent marginal tax bracket from $335,000 to $208,000. what would the new 39 percent bubble rate have to be? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places,e.g., 32.16.)