In this table, the reference currency is the
US dollar
Swiss franc.
Japanese yen.
euro.
From the given table, the reference Currency given is called; Euro
From the table, we can see the following currencies;
Bulgarian Lev
Canadian Dollar
Swiss Franc
British Pound
Japanese Yen
US Dollar
Now, all these currencies above from the table are being compared to the value of 1 euro.
Thus,we can conclude that the reference currency is Euro.
Read more about Currency Conversion at; https://brainly.com/question/1306721
#SPJ2