A trader buys one European call option contract with a strike price of $$30$ and a time to maturity of one year. The call option price is $$3.$ If the trader exercises the call option when the price of the underlying asset is $$32$ in one year. What is the trader's gain or loss?

$($a$)$ gain $=100$

$($b$)$ gain$=200$

$($c$)$ loss $=100$

$($d$)$ loss $=300$