Which of the following is not a drawback of cost- based pricing? O a. The greater the portion of unassigned costs, the greater the likelihood of overpricing and underpricing individual products. O b. In a competitive environment, cost-based approaches decrease the time and cost of bringing new products to market. Oc. Cost-based pricing requires accurate cost assignments. Od. Cost-based pricing assumes goods or services are relatively scarce, and customers who want a product or service are, generally, willing to pay the price.