Chris Smith Owns a Store That Sells All-Terrain Vehicles (ATVs)

Chris Smith owns a store that sells all-terrain vehicles (ATVs) . In the past, Chris just sold one version of each of the ATVs he sold in his showroom, but to increase sales, Chris now sells a low-end, a medium-priced, and a high-end version of each of the ATVs he sells. Chris's new strategy is called a(n) ________ strategy.

A) improving an existing product or service
B) market penetration
C) product line extension
D) geographic expansion
E) joint venture