Which of the following represents buyer power in Porter's Five Forces Model?

Select one:

a.

Low when buyers have many choices of whom to buy from and high when their choices are few.

b.

High when buyers have many choices of whom to buy from and low when their choices are few.

c.

Low when buyers have many customers of whom to buy from and low when their customers are few.

d.

High when buyers have many customers of whom to buy from and low when their customers are few.