I have the below page working pretty well (I've cut out some other fields and styling to keep the sample that I post here smallish). I'd like the Premium line in the table (line 17) to format as currency (USD). What's the best way of doing this? 

```
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
    <div class="datagrid" >
        <table >
            <thead>
                <tr>
                    <th>Location Name</th>
                    <th>Location Total</th>
                </tr>
            </thead>
            <tbody data-bind="foreach: { data: Locations, as: 'location' }">
                <tr>
                    <td><span data-bind="text: location.LocationName" /> </td>
                    <td><span data-bind="text: location.Premium" /> </td>
                </tr>
            </tbody>
        </table>
    </div>

    <script>
        $(document).ready(function ()
        {
            var appViewModel 

            // AppViewModel
            function AppViewModel()
            {
                this.Locations = ko.observable([]);
            }
            var appViewModel = new AppViewModel();

            ko.applyBindings(appViewModel);

            $.getJSON("http://waltweb01:85/LTCEPLWS/LTCJSON.svc/getLTCWithIDs/4", function (data)
            {
                incomingData = data;
                appViewModel.Locations(data.getLTCWithIDsResult.Locations);
            });
        });
    </script>
</asp:Content>

```