In the Portfolio Matrix, Characteristics of Goods and Services in the Leverage

In the portfolio matrix, characteristics of goods and services in the leverage quadrant are:

A) competitive supply market, substitution is possible, price per unit is important.
B) competitive supply market, substitution is possible, and total cost is a primary focus.
C) few suppliers with adequate capability so substitution and switching are difficult.
D) item substitution is possible, switching is difficult, and many suppliers are available.
E) item substitution and supplier switching are possible, but few suppliers are capable.