Unable to format a cell

FD222

How can i format my column 3 so it should show with price format?

var t = $('#advances').DataTable({
"order": [[ 1, "desc" ]],
"columnDefs": [
{
"targets": [ 5 ],
"visible": false,

        },
        {
            "targets": [ 6 ],
            "visible": false,

        }
     ]  
    });