Stan's company took out a twenty-year $3,000,000 mortgage at 4% APR, which it will pay in weekly payments. (a) The effective interest rate per payment period is the rate of %. b) The amount of the weekly mortgage payment iss (C) The principal portion of the second payment is $ (d) The remaining balance one year after the mortgage was taken out is $ (e) The remaining balance twenty years after the mortgage was taken out and the last payment was made is $ Stan's company took out a twenty-year $3,000,000 mortgage at 4% APR, which it will pay in weekly payments. (a) The effective interest rate per payment period is the rate of %. b) The amount of the weekly mortgage payment iss (C) The principal portion of the second payment is $ (d) The remaining balance one year after the mortgage was taken out is $ (e) The remaining balance twenty years after the mortgage was taken out and the last payment was made is $