What is the value at the end of an investment if the interest rate is 4% and the payment period is two years, with a periodic payment of 750 currency units. The investment has a present value of 2,500 currency units.
２年間にわたり 4% の利率で定期的に 750 貨幣単位を分割払いする場合の、投資の最終価値を求めます。投資の現在価値は 2,500 貨幣単位です。