Mr Rolf Weasley has recently purchased $12,000 worth of shares in Perloins Ltd. Given the relative risk exposure of Perloins Ltd., Rolf expects an annual rate of return on the investment of 9% p.a. compounded at regular intervals of 4 months. Approximately how much would Rolf expect to realise from the sale of his investment in 5 years from now? Show formulae and workings step by step.