What did Roger decide to do about his deck? Multiple Choice Roger decided he didn't need a deck after all. Roger decided to pay someone else to build his deck. Roger decided to build the deck himself. Roger decided to wait until the following year, when he wasn't teaching summer school, and build the deck then.

Roger decided to build the deck himself

Explanation:

This example illustrates the need to work based on the laws of comparative advantage. Roger needed a deck, he could have paid someone to build it for him, but somehow he identified the need to build his deck himself as he believed it was more costly to employ or pay someone to build the deck for him.

The law of comparative advantage explains the opportunity cost advantage a person/country has over other countries in producing a good or rendering a service. The entity with a comparative advantage can produce for less cost than the others.

the answer is b, encourage free trade

the answer would be in this answer. someone already asked the question.