VYZ Ltd, a company traded on the GSE made the following returns over ten year period REL ga Ver 2000 2001 2002 2003 2003 2005 2006 2007 200N 2000 0.12 05 023 0.00 0.11 0.42 DIS Calculate the risk - variance and standard deviation of XYZ Ltd (2)i. Suppose that you go to the financial market ( Stock Exchange) and the value prevailing is Gh820. Should you buy? Or if you have bought it already, should you hold or sell? (2) ii. Suppose that you go to the Stock Exchange and the prevailing price is Gh850 . Should you buy? If you have bought it already should you hold or sell