A put option that expires in six months with an exercise price of $50 sells for $4.85. The stock is currently priced at $46, and the risk-free rate is 3.40 percent per year, compounded continuously. What is the price of a call option with the same exercise price? (Do not round intermediate calculations. Round the final answer to 2 decimal places. Omit $ sign in your response.)

Call price $

Using put-call parity and solving for the call price we get:

S + P = Ee Rt + C $46 + 4.85 = $50e (0.034)(0.5) + C C = $1.69

please explain how to solve for e and how $1.69 was found.