Youssef is working on a database design. For the most efficient storage she should remove and primary keys and foreign keys O adjectives and adverbs redundancy and null values international keys and redundancy In the figure below, the primary key for 'Order Line' is which type of key? CUSTOMER Customer D Customer Name Addres Su Zo ORDER Order ID Order Dato Customer JD ORDER LINE Order 10 Promo ID Quantity PRODUCT Product 10 Product Description Product Finish Standard Price On Hand Foreign Standard Grouped Composite