Kitchen Fact: Cooked food stored in the refrigerator should be eaten in 3 to 4 days. After food is cooked, it should sit out at room temperature no more than two hours before being refrigerated to slow down bacteria growth. But once stored in the fridge, leftovers should be eaten up within three to four days because bacteria can still grow even at refrigerator temperatures. To help you remember how long something has been in the fridge, we recommend labeling it with the date it was cooked to help you keep track!
Opportunity cost is always measured by how much you give up of the next best alternative to get what you want. Opportunity Costs and Production Possibilities The production possibility curve illustrates the principle of opportunity cost for an entire economy.
Economic cost. Economic cost is the combination of gains and losses of any goods that have a value attached to them by any one individual. Economic cost is used mainly by economists as means to compare the prudence of one course of action with that of another. The goods to be taken into consideration are e.g. money, time and resources. The comparison includes the gains and losses precluded by taking a course of action, as those of the course taken itself.