The Hallmark Company Was Inspired by the Popularity of Jan

The Hallmark Company was inspired by the popularity of Jan Karon's best-selling novels about Mitford,a fictional town in the mountains of Alberta,to develop a new line of products for Hallmark Stores.Hallmark created hundreds of Mitford-inspired products that authentically bring "the little town with the big heart" into tangible reality.The products include greeting cards,party ware and gift wrap,mugs,and puzzles for Hallmark's existing customers.Which type of strategy did Hallmark use?

A) market development
B) market penetration
C) product penetration
D) product development