What is the present value of an investment, if 500 currency units are paid out monthly and the annual interest rate is 8%? The payment period is 48 months and 20,000 currency units are to remain at the end of the payment period.
年 8% の利率で月々 50,000 円支払う投資の現在価値を求めます。支払い期間は48ヶ月で、その後に 2,000,000 円残るようにします。