List three lessons about opportunity cost that managers should learn

- The opportunity cost of an alternative is the benefit that is abandoned to persecute.

- The fallacy of the hidden cost is when the relevant costs are ignored. A very common fallacy of hidden costs occurs when the opportunity cost of capital is ignored when making investment or closing decisions.

- The opportunity cost of an action is what is waived (forgiving of profit) to pursue it.

b) the importance and limits of political power.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.