Suppose that there are two stocks in a stock market index. Using the following information to calculate returns on $(1)$ the price$-$weighted index, $(2)$ the value$-$weighted index, and $(3)$ the equal$-$weighted index.

$\backslash$table$[[$Stock$,$Initial Price,Final Price,Share $($mil$),\backslash$table$[[$Initial Value$],[$of Shares$]],\backslash$table$[[$Final Value$],[$Of Shares$]]],[ABC,180,180,10,,],[xYZ,100,110,20,,],[$Total$,,,,,]]$