General Journal different amounts

Hi All ,

AX 2009.

Company Currency - DKK

While posting the general journal voucher with EUR currency ,system throws the following info message  as mentioned below .

Infog message shows this line as mentioned below

Voucher ISV98762, date 2017-02-01, account 96112, amount currency 8 045,92, amount MST 61 029,99, alternative amount 59 823,78, currency EUR,

I didn’t understand the difference between MST amount and alternative amount , Any light on this ?