The following three defense stocks are to be combined into a stock index in January $2019($perhaps a portfolio manager believes these stocks are an appropriate benchmark for his or her performance$).$ Assume the index is scaled by a factor of $10$million; that is$,$ if the total value of all firms in the market is $$5$ billion, the index would be quoted as $500.$

$\backslash$table$[[,,$Price$],[,$Shares,,,$],[$Douglas McDonnell,$($millions$),\frac{1}{1}\frac{?}{19},\frac{1}{1}\frac{?}{20},\frac{1}{1}\frac{?}{21}$