A physician who hires a plumber to fix a broken toilet is an example of.

B) Comparative Advantage

Explanation:

Comparative advantage refers to a situation in which an individual can produce a good or service at a lower opportunity cost than another individual. The physician is specialized in dispensing medical advice. He or she would have to give up more time spent dispensing medical advice in order to fix a broken toilet than the plumber, who specializes in fixing toilets and has a lower opportunity cost (in terms of medical advice dispensed) for this task.

parable of the tares

explanation:

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.