show message under shipping rates

{% if context == "cart" or context == "checkout" %}
<script>
FC.client.on("render.done", function() {
    var message = '<p>Message to be shown if there is more than 1 of each type of product by category.</p>',
        both_categories = false,
        number_default = 0,
        number_perishables = 0;

    for (var i=0; i<FC.json.items.length; i++) {
        if (FC.json.items[i].category == "DEFAULT") {
            number_default = number_default + FC.json.items[i].quantity;
        }
        if (FC.json.items[i].category == "Perishables") {
            number_perishables = number_perishables + FC.json.items[i].quantity;
        }
    }

    if (number_default > 1 && number_perishables > 1) {
        both_categories = true;
    }

    if ($(".shipping-note").length == 0 && FC.json.shipping_address.shipping_results.length > 0 && both_categories == true) {
        if (FC.json.context == "checkout") {
            $(".fc-checkout__section--shipping-results").append('<div class="row shipping-note"><div class="col-sm-10 col-sm-push-1">' + message + '</div></div>');
        } else {
            $(".fc-shipping-rates").append('<div class="fc-input-group--sidebar shipping-note"><br>' + message + '</div>');
        }
    }
});
</script>
{% endif %}