12. During the year, the Wilson's acquired the following shares of Company A common stock: 10 shares 40 shares January 18 February 20 April 17 July 23 September 17 October 1 30 shares 50 shares Total paid $280 Total paid $600 Total paid $450 Total paid $900 Total paid $350 Total paid $420 Total paid $660 Total paid $900 20 shares 20 shares 30 shares November 30 December 6 40 shares They use the weighted average method for calculating the cost of their shares. They made the following sales during the year: June 15 Sold 60 shares for $1250 December 20 Sold 80 shares for $2100