which of the following statements about b2b e-commerce is not true? eighty percent of online b2b e-commerce is still based on edi. b2b e-commerce accounts for more revenue than b2c e-commerce. b2b e-commerce revenues are expected to grow to over $8 trillion by 2019. b2b e-commerce represents approximately 10% of the overall b2b marketplace. b2b e-commerce only includes commercial transactions between firms.