Exchange rate relationsips between the US dollar and the euro have been quite volatile. When the euro began trading at the begining of 1999, it was valued at 1.18 US dollars. By late-2000, a euro was woth only $.82. However, by mid 2008, a value of a euro reached $1.55, Calculate the percentage changes in the value of a euro from its initial value to its late 2000 value and to its high mid 2008 value