$5)$ Suppose that an investor buys a call option written on a stock whose current price is $50$ by paying a premium of $5$ TL per share. The exercise price of the call is $52.$ This investor also sells one call option with an exercise price of $55$ which is written on the same stock and he$/$she receives $2$ TL$/$share as a premium. These options are European.What may be the net profit of that investor if the stock price is $60$ by the end of maturity?