According to Michael Porter, what are the five competitive forces that determine industry competition? a) Threat of new entrants, threat of subst...

According to Michael Porter, what are the five competitive forces that determine industry competition?


a) Threat of new entrants, threat of substitute products, bargaining power of suppliers, bargaining power of buyers, intensity of competitive rivalry.
b) Threat of new entrants, threat of substitute products, bargaining power of suppliers, bargaining power of customers, intensity of competitive rivalry.
c) Threat of new entrants, threat of complementary products, bargaining power of suppliers, bargaining power of buyers, intensity of competitive rivalry.
d) Threat of new entrants, threat of complementary products, bargaining power of suppliers, bargaining power of customers, intensity of competitive rivalry.