Q1 1- Find the accumulative amount in a bank by down payment of 500000 ID now and ten equal payments at the end of cach year with 10% as a rate of interest. 2- Find the present worth of a machine with...

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Extracted text: Q1 1- Find the accumulative amount in a bank by down payment of 500000 ID now and ten equal payments at the end of cach year with 10% as a rate of interest. 2- Find the present worth of a machine with initial cost of 4 MD and 15000 ID as an annual maintenance cost for infinity number of years with 9% as interest rate.