title: woocommerce, how can i add additional cost in cart product total price?
body: <p>I want to add additional cost in the cart <strong>product total price</strong>, not in product price nor the whole cart total price. I am referring about the product total price. </p>
  
  <p>Right now i have not not try and I don't have any code.</p>
  
  <pre><code>add_action( 'woocommerce_before_calculate_totals', 'function add_additional_price' );
  function add_additional_price( $cart_object ) {
      $custom_price = 10; // This will be your custome price  
  }
  </code></pre>