An electric toaster has a rating of 155W 220V marked on it/ What should be the minimum ratio(in whole number) of the fuse wire that may be required for the safe use with this toaster?

Question

$\begin{array}{1 1} (a)\; 6A \\ (b)\; 7A \\ (c)\; 10A \\ (d)\; 5A \end{array}$