The current price of a non$-$dividend$-$paying stock is $$30.$ Over the next six months it is expected to rise to $$36$ or fall to $$26.$ Assume the risk$-$free rate is zero. An investor sells call options with a strike price of $$32.$ What is the value of this call option?

a$.$ $$3\mathrm{.}0$

b$.$ $$2\mathrm{.}0$

c$.$ $$2\mathrm{.}4$

d$.$ $$1\mathrm{.}6$