The strength or weakness of the potential entry of rivals as a competitive force is

a. strongly correlated with the level of supplier power and with the number of suppliers that may seek to integrate forwards into the industry.
b. contingent upon the strength of buyer loyalty to existing brands. contingent upon whether the industry's growth and profit prospects are strongly attractive to potential entry candidates.
c. contingent upon whether the strategies of industry members are well matched to the industry's key success factors.
d. strongly correlated with the degree to which the industry's driving forces make it harder or easier for new entrants to be successful.