Compared to the purely competitive industry, a pure monopoly Multiple Choice is often more efficient from society's perspective because it has big plants and it uses the newest technology. will always become competitive in the long run because positive economic profits will entice competitors into the market. produces an equal amount of output, but charges higher prices to cover all costs in the market. is able to use barriers to entry and maintain positive economic profits in the long run.

Now ray has had the tires for two months and he notices that the tread has started to pull away from the tire. he has already contacted the place who sold the tires and calmly and accurately explained the problem. they didn’t him because they no longer carry that tire. so he talked with the manager and he still did not get the tire replaced. his consumer rights are being violated. pretend you are ray and write a letter to the company’s headquarters. here are some points to keep in mind when writing the letter: include your name, address, and account number, if appropriate. describe your purchase (name of product, serial numbers, date and location of purchase). state the problem and give the history of how you tried to resolve the problem. ask for a specific action. include how you can be reached.