a ) How much money has to be invested today in a security that promises to pay 20000 Omani Riyals at the end of 6 years ? Assume that you can eam 10 % interest compounded per am b ) Suppose interest...

a ) How much money has to be invested today in a security that promises to pay 20000 Omani Riyals at the end of 6 years ? Assume that you can eam 10 % interest compounded per am b ) Suppose interest rate increase to 20 % mswer the question again and compare answers