One of the actions some marketers consider when taking their product to international markets is to test the product in use in local circumstances, such as household appliances, hand$-$held tools or appliances. What is the main reason:

Group of answer choices

Product$-$in$-$use tests are very essential for $$technical and functional$$ products like these;

Product$-$in$-$use tests are neither essential nor useful for $$technical and functional$$ products like these;

Product$-$in$-$use tests should be undertaken for all sorts of products, especially for $$technical and functional$$ products like these;

Product$-$in$-$use tests should be undertaken rarely as they delay the market introduction of products.