37. With cost-plus pricing methods,

a. sellers are more certain about costs than demand

b. when all sellers in a market use cost-plus pricing, prices to consumers will vary widely c. when all sellers in a market use cost-plus pricing, competition will be intense

d. variable costs are irrelevant

e. fixed costs are irrelevant

38. One known key to sustaining competitive advantage

a. is based on always outsourcing everything.

b. is being a fast-follower to market with all products and services.

c. is giving continuous attention to creating unique or superior quality. d. is keeping workers at low-pay in all markets.

e. all of the above are correct.