• input: <select>
• output: <output>

<div class="checkout-select">
	<select id="checkout-item-1">
		<option value="1">1</option>
		<option value="2">2</option>
		<option value="3">3</option>
		<option value="4">4</option>
		<option value="5">5</option>
	</select>
	<i class="ic-caret" aria-hidden></i>
</div>

<output class="checkout-output" for="checkout-item-1">
	<div class="price-16">
		<strong class="amount">32,900</strong>
		<span class="currency">원</span>
	</div>
</output>