Among the statements below pick the one which can be best used to describe quotation in European terms. Select one $$ the most appropriate answer.

Group of answer choices

Approach to currency quotation that implies defining the number of a certain currency required to purchase $1$ Euro.

Approach to currency quotation that implies defining the number of a certain currency required to purchase $1$ American dollar.

Approach to currency quotation that is traditionally used to quote Euro.

Approach to currency quotation that implies defining the number of Euros required to purchase $1$ Euro.

Approach to currency quotation that implies defining the number of American dollars required to purchase $1$ Euro.