the value of the price included option is 87:
<option value="87">Embroidery (Included)</option>
so this code:
if (isset($_POST["eCart1_1_Embroidery_Add"]) && $_POST["eCart1_1_Embroidery_Add"] == "2") {
could be modified to:
if (isset($_POST["eCart1_1_Embroidery_Add"]) && ($_POST["eCart1_1_Embroidery_Add"] == "2" || $_POST["eCart1_1_Embroidery_Add"] == "87")) {