When there is high price elasticity of demand facing a firm: Select one: a.A cost advantage for the firm should generally result in a Share Strategy to achieve a competitive advantage. b.A benefit advantage for the firm should generally result in a Share Strategy to achieve a competitive advantage. c.A benefit advantage for the firm should generally result in a Margin Strategy to achieve a competitive advantage. d.Only answers 'a' and 'b' are correct. e.Only answers 'a' and 'c' are correct