the chart below shows an exchange rate table. in this table, the reference currency is the us dollar. swiss…

the chart below shows an exchange rate table. in this table, the reference currency is the us dollar. swiss franc. japanese yen. euro.\n| currency | exchange rate april 3, 2013 (euro = 1) |\n|--|--|\n| bulgarian lev | 1.96 |\n| canadian dollar | 1.301 |\n| swiss franc | 1.2149 |\n| british pound | 0.8482 |\n| japanese yen | 119.4065 |\n| us dollar | 1.2839 |

the chart below shows an exchange rate table. in this table, the reference currency is the us dollar. swiss franc. japanese yen. euro.\n| currency | exchange rate april 3, 2013 (euro = 1) |\n|--|--|\n| bulgarian lev | 1.96 |\n| canadian dollar | 1.301 |\n| swiss franc | 1.2149 |\n| british pound | 0.8482 |\n| japanese yen | 119.4065 |\n| us dollar | 1.2839 |

Answer

Brief Explanations:

The exchange rate table specifies "Euro = 1", indicating the euro is the base currency against which other currencies are valued. Reference currency is the base currency in such tables.

Answer:

euro.