The Danish krone changes from A$0.7101 each at the start of 2020 to A$0.7828 each at the end of 2020. Over that same year, inflation in the prices of all goods and services in Denmark is -0.1%, whereas in Australia it is 3.1%. What is the amount of real decrease (-) or real increase (+) that the Danish krone experiences against the Australian dollar during 2020? Select one: +6.8% +13.8% +3.0% -3.0% O -6.4%