78. A merchant asks you to extend customer functionality to allow customer accounts to be
associated with two or more billing addresses.
How is this implemented?
A. By adding the attribute like customer_address_billing2 and customizing both My Account
and Checkout functionality to use that new attribute
B. By changing the System Configuration setting: Customer>Allow multiple billing addresses
to Yes
C. By altering the customer_entity table, adding the field billing_address2, and customizing
both My Account and Checkout functionality to use that new field
D. This is out-of-the box functionality
Correct Answer: D
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