During the summer, alex runs a lawn-mowing service, and lawn-mowing is a perfectly competitive industry. in the short run, alex will shut down his lawn-mowing service rather than continue with it if:

 In the short run, Alex will shut down his lawn-mowing service rather than continue with it if the total revenues would not be able to cover the total variable costs he has.  A perfectly competitive industry is a market structure where all the firms in the market sells the same product, the firms cannot control the prices of the product, they have a small share in the market, the consumers know all of the information about the product and the products would have a freedom of entry and exit. Most likely, firms in that certain industry would be able to sell well depending on how they would advertise and market their product. 

The correct anwser is hands down b because tho dodge is ok chevy is better and fords need fixed or repaired daily and toyota is whatever.