a steady increase in certain market averages at the same time signals the beginning of a bear market. a major trend can last for many months or several years. a change in market direction occurs when one of the market averages reverses itself. When analyzing the market movements of Astral Inc., Tanya decided to use a moving average to minimize the daily price fluctuations of the company's stock. Over the last five days, the stock closed at the following prices: Monday $14, Tuesday $12, Wednesday $15, Thursday $17 and Friday $13. What is the 3-day moving average for this stock on Thursday closing