A stock price is currently $$\$ 50$$. It is known that at the end of 2 months it will be cither $$\$ 53$$ or $$\$ 48$$. The risk-free interest rate is $10 \%$ per annum with continuous compounding. What is the value of a 2-month European call option with a strike price of $$\$49$$? Use no arbitrage arguments.