____ conducts an annual study of customers who buy at home via mail, telephone, or Internet. It compiles information on total orders placed, types of products purchased, demographics, and purchase satisfaction, among others.
A. The U.S census Bureau
B. Standard Rate and Data Service (SRDS)
C. The U.S Postal Service
D. Direct Mail lists and data
E. Simmons Market Research Bureau (SMRB)
Answer: E