the bar chart illustrate on sales changes in four year time co responding with number of dollors.since 21 company a fall a little behing O company b which are 45m and 65m. surprisingly, company a start to overtake b, reached the number exactly same as company b in 21 howevever B was drop to 45m in 22.in 23, company a has a dramatic lly increasing in number of sales, sitted on 12m, in opposite, B decrease to 25m ..
seem nothing could stop comany a, a sharp growth number during 24 was18m compare to b 2m