Suppose you think WW stock is going to appreciate substantially in value over the next six months. The stock's current price is $$30$ and the call option expiring in six months has an exercise price, $x,$ of $$35$ and is selling at a premium $($option price$),$ C$,$ of $$12.$ You invest $$12,000$ on $1,000$ options $(10$ contracts, each for $100$ shares$).$ What is the rate of return if the stock price six months from now is $$50?$ Show your work.