Drupal Ubercart Flat Rate Shipping

Drupal Ubercart Flat Rate Shipping I have two product, both use flat rate shipping one product flat rate is just $5.00, it does not matter how many customer ordered, 1, 2 or 10, shipping fee just $5.00 another product, shipping fee is $10.00 per package, which means 2 package is $20.00, 3 package is $30.00, and so on. I can't configure The Ubercart flat rate to do what I want, If there some one can help modified the php code, change the flat rate shipping per product, similar problem show as following UC Flatrate shipping quote per product [login to view URL]