What should a data architect recommend to maintain this information for the custom pricing engine that is to be built in Salesforce?

A custom pricing engine for a Salesforce customer has to be decided by factors with the following hierarchy:

State in which the customer is located

City in which the customer is located if available

Zip code In which the customer is located if available

Changes to this information should have minimum code changes

What should a data architect recommend to maintain this information for the custom pricing engine that is to be built in Salesforce?
A . Create a custom object to maintain the pricing criteria.
B. Assign the pricing criteria within customer pricing engine.
C. Maintain require pricing criteria in custom metadata types.
D. Configure the pricing criteria in price books.

Answer: C