The McGregor Corporation Makes Four Different Varieties of Their Brand

The McGregor Corporation makes four different varieties of their brand of Maxim cereal.These varieties are Maxim corn flakes,Maxim raisin bran,Maxim honey clusters,and Maxim brown sugar and oats cereal.McGregor Corp.has used a _____ with its Maxim cereal brand.

A)  line extension approach
B)  multibranding approach
C)  brand extension approach
D)  franchise extension approach