Sleek Designs Markets a Wide Range of Kitchen Cabinets, Counter

Sleek Designs markets a wide range of kitchen cabinets, counter tops, and ceramic tile. Its salespeople are initially divided on the basis of their expertise in a product category. They're then further divided into teams addressing large home improvement retailers, kitchen and bath suppliers, and specialty home improvement stores. Which of the following sales force structures has most likely been combined to form this complex sales force structure?

A) product and territorial
B) geographical and product
C) market and customer
D) territorial and market
E) product and market