Which minimum set of Price Conditions and Price Actions should the Admin create for this Price Rule?

Product A is a Product Option in a bundle and has a Price Book price of $100. When

Product A is selected and its quantity is greater than 10, its price falls to $50.

The Admin decides to use a Price Rule targeting the Configurator to implement this price change.

Which minimum set of Price Conditions and Price Actions should the Admin create for this Price Rule?
A . One Price Condition verifying that the SBQQ__ProductName__c field on the Product Option object is equal to “Product A”.
One Price Condition using a Summary Variable summing up the quantity of Product A to verify that this Summary Variable is greater than 10.
One Price Action to inject the value 50 into Unit Price field.
B. One Price Condition using a Summary Variable counting Product A to verify that Product A is selected.
One Price Action to inject the value 10 into the Quantity field.
One Price Action to inject the value 50 into the Unit Price field.
C. One Price Condition using a Summary Variable summing up the quantity of Product A to verify that this Summary Variable is greater than 10
One Price Action to inject the value 10 into the Quantity field.
One Price Action to inject the value 50 into the Unit Price field.
D. One Price Condition using a Summary Variable counting Product A to verify that Product A is selected
One Price Condition using a Summary Variable summing up the quantity of Product A to verify that this Summary Variable is greater than 10
One Price Action to inject the value 50 into the Unit Price field.