How to calculate rates in hotel for on selecting checkbox.

<div><input type="checkbox" id="ExtraRoom"/>Extra Room</div>
<input type="checkbox" id="PickUpToAirPort"/>Pick up to airport
<div id="RateChart" style="display:none">
    Rate Chart
----------------------------
Single bed room -  1000/-
Double bed room -  2000/-
Double bed Deluxe -  3000/-
</div>

$(document).ready(function(){
    $('#ExtraRoom').click(function() {
    $("#RateChart").toggle(this.checked);
});
});