Justify why a perfect market is unrealistic​

Which statement best describes the variety of workplaces commonly found in the health science career cluster? a. workplaces in this cluster include healthcare facilities such as hospitals, physician offices, and clinics. b. workplaces in this cluster include healthcare facilities, laboratories, and other environments such as offices or homes. c . workplaces in this cluster include nonprofit hospitals, government-run clinics, and private physicians' offices. d. workplaces in this cluster include private and nonprofit hospitals and clinics, and dentists' offices.

On january 1, 2017, sophie's sunlounge owned 4 tanning beds valued at $20,000. during 2017, sophie's bought 3 new beds at a total cost of $14 comma 000, and at the end of the year the market value of all of sophie's beds was $24 comma 000. what was sophie's net investment

Experienced problem solvers always consider both the value and units of their answer to a problem. why?