Please show formula and detailed explanation

You plan to buy the house of your dreams in 12 years. You have estimated that the price of the house will be $78,423 at that time. You are able to make equal deposits every month at the end of the month into a savings account at an annual rate of 8.08 percent, compounded monthly. How much money should you place in this savings account every month in order to accumulate the required amount to buy the house of your dreams?