Aldi,a Discount Supermarket Retailer,has Grown from Its German Base to the Rest

Aldi,a discount supermarket retailer,has grown from its German base to the rest of Europe,Australia,and the United States by replicating a simple business format.Aldi limits the number of products in each category to ensure product turn,to ease stocking shelves,and to increase its power over supplier.This is an example of an overall cost leadership strategy because it

A) gives them competitive advantage by decreasing productivity.
B) gives them competitive advantage by tight cost and overhead control.
C) eliminates the need to compete based on its products.
D) requires the customer to recognize its efforts.