Given the table of data listed below, what is the Value Index for Job A$?$

$V={\displaystyle \underset{i=1}{\overset{n}{}}}{I}_n{P}_n$

$V=$ Value index for product or service

$I_n=$ Importance of dimension $n$

$P_n=$ Performance with regard to dimension $n$

$\backslash$table$[[,$Importance,Job A$,$Job B$,$Job C$,$Job D$],[$Salary$,5,5,3,3,4],[\backslash$table$[[$Promotion$],[$Opportunity$]],4,3,4,5,2],[\backslash$table$[[$Benefits$],[$Distance of the$],[$Commute$]],2,3,4,3,5]]$