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Todd and his wife are concerned about their retirencent funds. They estimate they wat need to inceive 360.000 in today doflir" at the beginning of each year. Due to good penes they erpect to live 25 years after retiring. They eapect an and after-tax return with inflation averaging 4. How much investable assets will they need to have accurnulated at the farie of thes retiement to fund thin heed? Show your work