Question 15John invested the following amounts in three stocks:Security ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿInvestment ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿBetaStock A ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ$361,092 ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ0.77Stock B ÿ ÿ ÿ ...