Amazon pays an annual dividend of $4.40 per share. on tuesday it closed at $455 per share. this
 was up $8.50 per share from the previous day (monday's close).
 what was the yield (percent) on tuesday? round to tenth of a percent
 b. at what price did it close on monday?
 what was the percent change from tuesday to monday?
 d. what was the yield on monday?