You start trading with an account worth $$500,000.$ You decide that the most you want to risk on any trade is $0\mathrm{.}50\%$ of the account value. You've been following a stock and believe the appropriate entry point is $$40$ per share with an $8\%$ trailing stop. Your track record indicates that you have a probability of winning on $40\%$ of your trades with an average win of $15\%$When you lose your average loss is $8\%.$ Based on this information $,$ what is your expectancy on each trade.