Mohammed deposited RO25,000 in a savings account at 9% interest compounded semi-annually. At the beginning of year 5, Mohammed deposited an additional RO50,000 at 10% rate of interest compounded...

Mohammed deposited RO25,000 in a savings account at 9% interest compounded semi-annually. At the beginning of year 5, Mohammed deposited an additional RO50,000 at 10% rate of interest compounded semi-annually. What is the balance in Mohammed’s account after 7 years?