The bargaining power of buyers has no effect on profitability.

The bargaining power of suppliers is a measure of the intensity of competitive behavior among rival organizations.

If customers can easily find substitutes for an industry's products$/$services$,$ then profits will be lower.

When the rivalry among competitors in an industry is high, then the industry is very attractive because profits will be higher.

If new companies can easily enter an industry, then competition will decrease, leading to higher profitability.