Write some new code for it…I'll do it for you this time:
add_action( 'woocommerce_cart_calculate_fees','woocommerce_custom_surcharge' );
function woocommerce_custom_surcharge() {
global $woocommerce;
if ( is_admin() && ! defined( 'DOING_AJAX' ) ) {
return;
}
$state = $woocommerce->customer->get_shipping_state();
if ( $state == 'ME' ) {
$surcharge = ( $woocommerce->cart->cart_contents_total + $woocommerce->cart->shipping_total ) * 0.01;
$woocommerce->cart->add_fee( 'Surcharge', $surcharge, true, 'standard' );
} elseif ( $state == 'OH' ) {
// Do something else
} elseif ( in_array( $state, array('FL', 'CA') ) ) {
// Even something else
}
}