Answer:
it refers to cost of something and its worth manship
Because they support people
non-tariff barriers
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Non tariff barriers are a way to restrict </span>trade<span> using </span>trade barriers<span> in a form other than a </span>tariff<span>. </span>Non tariff barriers include r<span>equirements for labeling, product testing, product certifications,</span>quotas, embargoes, sanctions, levies and other restrictions that would restrict import of goods and services.