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

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

$v-$ Value index for product or service

$U_n=$ Impartance of dimension $n$

$P_n=$ Performance with regard to dimension n

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

$50$

$55$

$51$

$53$

$57$