I have a price calculator, and I need to have it contain 2 decimal places when generating a quote. I tried using toFixed(2) (as you can see below) but I am not sure if I did it right. Can you help? Thanks

Code:
<script type="text/javascript">
var roomobjs = [];
var roomobj = {};

roomobj.name = "Bathroom";
roomobj.clean = 15;
roomobj.moveFurniture = 10;
roomobj.preVacuum =
...