please answer a,b,c and d without using excel

A project capitalized for P50,000 invested in depreciable assets will earn a uniform, annual income of P19,849 in 10 years. The costs for operation and maintenance total P9,000 a year and taxes and insurance will cost 4% of the first cost each year. If the company expects its capital to earn 125 before income taxes, is the investment worthwhile? a. Solve using ROR b. Solve using Annual cost method Solve using present worth cost method d. Solve using IRR G