If the Bank of Germany borrowed Australian Dollar (A$) 25 billion from the Bank of Australia before the global financial crisis of 2007. At that time, the rate was A$ 1.68751/ or A$1.4786 /US$. In 2012, the Bank of Germany repaid the money borrowed. At the time of repayment, the rate was A$1.22829/ or A$ 1.25929/US$.

Calculate the percentage of devaluation of Euro against Australian Dollar as well as Euro against the US dollars.

Calculate the cost of intervention to the Bank of Germany in Euro and US Dollars.