According to the “Big Mac” index, if a Big Mac costs $2.28 in the United States and 25.75 krone in Denmark (equivalent to $4.25), the Danish krone is an undervalued currency.A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业