These are four sets of cash flows:

a A single \(\$ 450\) cash inflow at the end of year 6 .

b A series of \(\$ 800\) cash inflows at the end of years \(1,2,3,4\) and 5 .

c A cash inflow of \(\$ 55000\) at the end of year 3 and a cash inflow of \(\$ 650\) at the end of year 5 .

d A series of cash outflows of \(\$ 90\) at the end of years 1 to 10 .

Required:

Determine the present value of each of the sets of cash flows using a discount rate of 10 per cent.