We have a specific Requirement for Pricing

We have a specific Requirement for Pricing as below-

Lets assume we have one pricing strategy (Eg ABC Pricing Strategy) and it has 2 price list as below-

1. Price List A- Pricing Defined at Item and All Items level
2. Price List B- Pricing Defined at Item and All Items level

Our Requirement is as below-

if a Sales Order Qualifies for the ABC pricing strategy then pricing algorithm should work as per below Precedence-

1. Search for the price of the item from Price list A at Item Level
2. If not found then Search for the price of the item from Price list A at All Items Level