An investor has made the following transactions: April 8th : Buy 100 XYZ @ $40 June 15th : Buy 100 XYZ @ $50 Aug 1st : Sell 100 XYZ @ $46 What was the capital gain or loss? $400 gain. $400 loss. $600 gain. $600 loss.A. $400 gain.B. $400 loss.C. $600 gain.D. $600 loss..