A company purchase a price of manufacturing equipment for an additional incomes. The expected income is exist3,000 per semester its useful life is 9 years. Expenses are estimated to be exist500 semi- annually if the purchase price is exist34,000 and there is a Salvage value of exist4, 500, what is the prospective Rate of return (IRR) of this investment? The MaRR is 10%compounded semiannualy