Answer:
The Goods used in combination with other products.
Explanation:
Complementary goods are best described with the phrase: Goods used in combination with other products.
Products which are used with each other and are connected with the use of a paired or an associated good are often known to as complementary goods. For example Goods A and B are complementary if using more of good A requires the use of more of good B. or B.C.
