Euro$-$British Pound. How would the call option premium change on the right to buy pounds with euros if the euro interest rate changed to $4\mathrm{.}1515\%$ from the initial values listed in this table:

The call option on British pounds, if the euro interest rate changed to $4\mathrm{.}1515\%,$ would be $f$ If $($Round to four decimal places.$)$

Data table

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$

Pricing Currency Options on the Euro

$\backslash$table$[[$Spot rate $($domestic$/$foreign$),\backslash$table$[[$A U$.$S$.-$based firm wishing to buy$],[$or sell euros $($the foreign currency$)]],\backslash$table$[[$A European firm wishing to buy$],[$or sell dollars $($the foreign currency$)]]],[$Variable$,$Value,,Variable,Value,$],[$So$,1\mathrm{.}4730,,$So$,0\mathrm{.}6789,],[$Forward rate $($domestic$/$foreign$),$Fo$,1\mathrm{.}4654,,$F$0,0\mathrm{.}6824,],[$Strike rate $($domestic$/$foreign$),x,1\mathrm{.}5000,,x,0\mathrm{.}6667,],[$Domestic interest rate $(\%$ p$.$a$.),$rd$,2\mathrm{.}072,\%,$rd$,4\mathrm{.}160,\%$