Sawyer buys Stock XYZ for $$50$ and a $6-$month floor with a strike price of $$50$ for a $$3\mathrm{.}42$

premium. Jack buys a call option on Stock XYZ with a strike price of $$50.$ The risk$-$free rate is $6\%$ convertible continuously. Calculate the premium Jack paid for the call option. A$.$$$4\mathrm{.}40$ B $ $4\mathrm{.}60$ C$.$$$4\mathrm{.}90$ D$.$ $$5\mathrm{.}00$ E$.$ not enough info