ENGINEERING ECONOMY PLEASE WRITE CLEAR SOLUTIONS

8. The cost of construction of building a house is 1M Php while annual maintenance is 20,000 Php. If the interest rate is 63, what is the capitalized cost of the house. 9. A motor company has a production capacity of 1200 motors a month. The variable costs are Php 1150 per motor. The average selling price of the motors is Php 1275. Fixed costs of the company amount to Php 50,000 per month which include taxes. What is the income/1o33 per month? (Use +/- to indicate such, + for income, for 1033). 10. A manufacturer produces certain items at a labor cost of Php 55 each, material cost of Php 82 each and variable cost of Php 1.75 each. If the item has a unit price of Php 700 and the plant has a capacity of 1000 units per month, what is the income/loss if the monthly overhead is Php 432,000. (Use +/- to indicate such, + for income, - for 1033)