End of $2017$End of $2018$End of $2019$$$3,500$$$2,500$Nil$$3,400$$$3,400$$$3,400$It is estimated that each of the alternative projects will require an additional working capital of $$2,000,$ which will be received back in full after the end of each project.Depreciation is provided using the straight$-$line method. The present value of $$1\mathrm{.}00$ to be received at the end of each year $($at $19\%$ p$.$a$.)$ is shown below: