A stock <span>symbol</span> is a short combination of letters used to identify the stock of a particular company.
the answer is A because the term trade off is often expressed as an opportunity cost
<span>TSI Agar is used for identifying various microbes, containing sugars, sulfur, and a PhD indicator. One must only use the TSI Agar test for a period of 24-hours, any longer and certain microbiota will ferment all available sugars and the test will be rendered invalid.</span>