Q4. For each of the mixed stream of cash flows shown in the following table, determine the future value at the end of the final year if deposits are made into an account paying annual interest of 12%, assuming that no withdrawals are made during the period and that the deposi are made: -2 Cash flow stream Year B 1 2 o.ch $ 900 1,000 1,200 $30,000 25,000 20,000 10,000 3 $1,200 1,200 1,000 1,900 6 4 5 5,000 year (a). Calculate the future value at the end of each (b). Calculate the future value at the beginning of each year (2.5 marks each) (2.5 marks each) (15 marks)