In 2019 a British investor purchases Australian dollars at an exchange rate of 1GBP = 1.75 Australian dollars. In 2020 the exchange rate is 1GBP = 1.70 Australian dollars. If his investment was 10,000 GBP. How much did he win or lose? If your answer is a loss use the minus sign (Ex loss 300 write -300) Round your answer to zero decimal places Don't use comma separators