you are required to download weekly historical foreign exchange rates for Chinese yuan (CNY), Euro (EUR), Japanese yen (JPY), Thailand Baht (THB) and United State dollar(USD) for the three years ending 30th June 2022 ( from 1st July 2019) using 'stock-history function" in Excel 365. Out of the four foreign currencies mention above, select three currencies (including USD) and plot them on a a line chart and identify any significant currency value movements in AUD. Briefly explain the probable causes for any significant movements of AUD value (you need to provide justification).