Question 4 Cost of an x-ray machine is 1.5M pesos that has a useful life of 10 years, salvage value of 20,000 pesos. Find the 5th year depreciation using double declining balance method Question 5 An engineer deposits 7,000 pesos every year end in a savings account that pays nominal annual interest of 7% compounded continuously. How many years will it take him to accumulate 140,000 pesos? Question 6 Mr Cruz is preparing his retirement at a certain period "n" year from now, he deposits a uniform amount of 3500 pesos at the end of each year into a fund that earns an interest of 3.5% compounded annually. Find the value of "n" when the compound amount factor due to the series of equal deposits is equal to 35.3437