Which of Porter's Five Forces Is Most Directly Influenced by the Number

Multiple Choice

Which of Porter's five forces is most directly influenced by the number and balance of competitors, degree of difference between products, growth rate of an industry, and level of fixed costs?

A) Threat of New Entrants
B) Rivalry Among Existing Firms
C) Threat of Substitutes
D) Bargaining Power of Buyers
E) Bargaining Power of Suppliers