Problem $4$

Given the following quotations define the exchange rate between Canadian dollar and Euro

under direct quotation in Canada.

$C\frac{\text{\$}}{\text{\$}}=1\mathrm{.}3115-1\mathrm{.}3126$

$\frac{}{\text{\$}}=0\mathrm{.}78653-0\mathrm{.}78691$