ช่วย ใส่ดักค่า discount ต้องไม่เกิน 25% ของ total ให้หน่อยครับ

<script type="text/x-handlebars-template" id="tmpl-cart-totals">
	<tr class="subtotal">
		<th colspan="3"><?php _e( 'Cart Subtotal', 'woocommerce-pos' ); ?>:</th>
		<td colspan="2">{{{money subtotal}}}</td>
	</tr>
	{{#if show_cart_discount}}
	<tr class="cart-discount">
		<th colspan="3"><?php _e( 'Cart Discount', 'woocommerce-pos' ); ?>:</th>
		<td colspan="2">{{{money cart_discount negative=false}}}</td>
	</tr>
	{{/if}}
	{{#if show_tax}}
		{{#if show_itemized}}
			{{#each itemized_tax}}
				<tr class="tax">
					<th colspan="3">
						{{#if ../incl_tax}}<small>(<?php _ex( 'incl.', 'abbreviation for includes (tax)', 'woocommerce-pos' ); ?>)</small>{{/if}}
						{{label}}:
					</th>
					<td colspan="2">{{{money total}}}</td>
				</tr>
			{{/each}}
		{{else}}
			<tr class="tax">
				<th colspan="3">
					{{#if incl_tax}}<small>(<?php _ex( 'incl.', 'abbreviation for includes (tax)', 'woocommerce-pos' ); ?>)</small>{{/if}}
					<?php echo esc_html( WC()->countries->tax_or_vat() ); ?>:
				</th>
				<td colspan="2">{{{money total_tax}}}</td>
			</tr>
		{{/if}}
	{{/if}}
	<tr class="order-discount" {{#unless show_order_discount}}style="display:none"{{/unless}}>
		<th colspan="3"><?php _e( 'Order Discount', 'woocommerce-pos' ); ?>:</th>
		<td colspan="2">
			<input type="text" value="{{number order_discount}}" size="10" data-id="order_discount" data-original="{{original}}" data-title="<?php _e( 'Discount', 'woocommerce-pos' ); ?>" data-placement="left" data-numpad="discount" class="autogrow">
			<span class="amount">{{{money order_discount negative=false}}}</span>
		</td>
	</tr>
	<tr class="order-total">
		<th colspan="3"><?php _e( 'Order Total', 'woocommerce-pos' ); ?>:</th>
		<td colspan="2">{{{money total}}}</td>
	</tr>
</script>