____________ AND ____________ REPRESENT IMPORTANT WAYS TO ADD VALUE...

1. - QUESTION MARKETING SERVICE _ MARKETING DỊCH VỤ
QUESTION MARKETING SERVICE _ MARKETING DỊCH VỤ

1. ____________ and ____________ represent important ways to add value to a product.

a. Reciprocation; classification

b. Information; classification

c. Information; consultation

d. Reciprocation; consultation

e. Reciprocation; mediation