$\backslash$table$[[$Cell$,$Name,$\backslash$table$[[$Final$],[$Value$]],\backslash$table$[[$Reduced$],[$Cost$]],\backslash$table$[[$Objective$],[$Coefficient$]],\backslash$table$[[$Allowable$],[$Increase$]],\backslash$table$[[$Allowable$],[$Decrease$]]],[$$$B$$$4,$Quantities Product $1,0,8,20,1E+30,8],[$$$C$$$4,$Quantities Product $2,20,0,12,6,12],[$$$D$$$4,$Quantities Product $3,5,0,18,1E+30,6]]$

Constraints

$\backslash$table$[[$Cell$,$Name,$\backslash$table$[[$Final$],[$Value$]],\backslash$table$[[$Shadow$],[$Price$]],\backslash$table$[[$Constraint$],[$R$.$H$.$ Side$]],\backslash$table$[[$Allowable$],[$Increase$]],\backslash$table$[[$Allowable$],[$D $?$ ease$]]],[$$$E$$$7,$Material A constraint Usage,$25,12,25,1E+30,20],[$$E$$8,$Material B constraint Usage,$-,0,52,1E-,52],[$$E$$9,$Material C constraint Usage,$5,6,5,20,5]]$

The objective function value for the current basis is $330.$

What would be the new objective function value when Material C constraint RHS is $15?(*$ write NA if the current basis does not remain optimal$)?$