On 2018-12-20 Dae-Sung invests $14,700.00 in an account paying i⁽¹⁾ = 9.125%. The account uses the simple (linear) method for computing interest for partial periods, based on the ACT / 360 daycount convention. How much money does he receive when he withdraws it on 2019-09-05?

Man-Duen wants to save $431,000.00 for retirement. He already has $34,480.00, and he will make weekly deposits for the next 20 years (at the end of each period). The interest rate is 4.075% compounded semi-annually. How much will the weekly deposits be?