Hallmark Placed Its Scrapbook Supplies, Photo Albums and Related Supplies

Hallmark placed its scrapbook supplies, photo albums and related supplies into one product group because

A) it was easier to forecast future sales since there were fewer market-product combinations.
B) customers could buy in quantity and take advantage of quantity discounts.
C) their suppliers provided free displays and shelving to highlight the supplier's products.
D) it helped buyers relate to the products in a meaningful way.
E) it allowed customers to compare price and quality with competitors who displayed their products in a similar manner.