Today a shoe store took 20% off the price of a pair of shoes, and for the next 3 days, it will take 20% off the previous day's price. if the price of the pair of shoes yesterday was $200.00, what will be the price of the pair of shoes 3 days from now?

If the price of the shoe yesterday was $200 and on this day 20 percent has been taken thus it will have $160. In the next 3 days if another 20 percent will be taken out from the previous $160 then the final answer is $128.

Retained profits have several major advantages: They are cheap (though not free) – effectively the "cost of capital" of retained profits is the opportunity cost for shareholders of leaving profits in the business (i.e. the return they could have obtained elsewhere)