1. A provision is to be made to replace a window pane in three (3) years at the cost of P10,000; A builtin rack in a further five (5) years at the cost of P40,000; and the boundary fence two (2) years later at the cost of P20,000. Calculate the sum that must be invested today in an assured savings account at 3% to provide for these future liabilities. 2. A land property will reach maturity in 50 years time. The original cost of land was P150,000 per hectare. The annual expenses average P12,000 per hectare. What will be the total cost per hectare by the time the land property matures, ignoring any increase in the value of the land and assuming interest is required on outstanding capital at 8%? 3. A commercial site was bought five (5) years ago, and a loan of P800,000 was obtained at a fixed annual interest rate of 5%, with interest rolled up until the completion of the development. If the development is due to be completed in six (6) years, what will the total sum have to be repaid? 4. An investor recently purchased a freehold property worth P20,000,000 which it is estimated