In general, a firm can compete in which of the following ways? cost and marketing marketing and differentiation cost and differentiation cost and sustainabilityWhich of the following factors is not necessary to consider when identifying an organization's purchasing strategy? overall philosophy of management total purchasing budget What competitors are doing the firm's overall business strategyWhich of the following factors is not necessary to consider when identifying an organization's purchasing strategy? overall philosophy of management total purchasing budget What competitors are doing the firm's overall business strategy