How can I have multiple rate table attached to a Plan element and the logic around calculation

Hi ,

          I have a Item As54888.  Lets say the business  belong to a Hi-tech industry  and below is the scenario .

Scenario 1 .

1. Configured ITEM :

2. AS54888 is a part of the option class .

3.When I sell it along with a  Model line it will have a different Rate table lets say 5 %

4.When I sell the same item as a kit Item / Bundle Item - it will have a different rate 4 % . ( Loose item on the order ). Its like Burger + fries = 5% ,just fries 4%, fries+ burger + Coke = 3 %    

1.How do I go about addressing the scenario ? .

As54888 will be a separate PE and rate table ? or can I have a multiple rates for the same Item / revenue class picked based on diff scenarios .