If davey can produce candles at a lower opportunity cost than rebecca then davey definitely has in producing candles relative to rebecca.

Comparative advantage

Explanation:

A comparative advantage occurs in a situation when two or more competitive manufacturing companies producing similar product are found in a market, and one of the companies is able to produce the product at a lower cost than their competitors.

Davey has a comparative advantage over Rebecca in producing candles.

answer; the correct answer is (direct foreign investment);