The following graph shows stock price (blue), 50-day moving average (black), 7-day moving average (green) and volume. Analyze this chart and indicate buying and selling points by dates (approximation is fine), and are there anything other indicator you would like to observe? Which ones and why? SMA/50,7) AA $130 $120 $110 $100 Volume 25m lllllllllllllllllllllllll linuuulliilililililililiuuuuul mulwiliOm 10 Aug 9 Sep 7 Oct 4 Nov 2 Dec 30 Dec 27 Jan 24 Feb 23 Mar 20 Apr 18 May 15 Jun 13 Jul