HOMEWORK Question #1. Calculate the cost of cooling water that has a cycle of concentration (COC) of 7? Mention some reasons for decreasing or increasing the COC in cooling towers. Question #2. Conduct a sensitivity analysis of the price of electricity and makeup water on the cost of cooling water (hint: what is the impact of 10% increase in electricity price) Question #3. You plan to borrow SR 500,000 to purchase a new house. The nominal interest rate is fixed at 8% p.a., compounded monthly. You will make a down payment (initial payment) of SR100,000. You monthly payment is SR2,000. How long will it take you to payout your loan? How much is the effective interest rate? HOMEWORK Question #1. Calculate the cost of cooling water that has a cycle of concentration (COC) of 7? Mention some reasons for decreasing or increasing the COC in cooling towers. Question #2. Conduct a sensitivity analysis of the price of electricity and makeup water on the cost of cooling water (hint: what is the impact of 10% increase in electricity price) Question #3. You plan to borrow SR 500,000 to purchase a new house. The nominal interest rate is fixed at 8% p.a., compounded monthly. You will make a down payment (initial payment) of SR100,000. You monthly payment is SR2,000. How long will it take you to payout your loan? How much is the effective interest rate