$($Spot rates$)$ Compute the Canadian dollar$/$yen and the yen$/$Swiss franc spot rate from the data in the following table:

Selling Quotes for Foreign Currencies in New York

$\backslash$table$[[$CouTtry$-$Currency,Contract,$$/$Foreign Currency$],[$Canada$-$dollar,Spot,$0\mathrm{.}8437],[$Japan$-$yen,Spot,$0\mathrm{.}004684],[$Switzerland$-$franc,Spot,$0\mathrm{.}5139],[($Click on the icon $$ in order to copy its contents into a spreadsheet.$),,]]$

a$.$ The Canadian dollarlyen spot rate is $C$$$,||.($Round to five decimal places.$)$

b$.$ The yen$/$Swiss franc spot rate is $\frac{}{S}Fr.($Round to four decimal places.$)$