Roslin Robotics stock has a volatility of 32 % and a current stock price of $ 67 per share. Roslin pays no dividends. The risk-free interest is 5 %. Determine the Black-Scholes value of a one-year, at-the-money call option on Roslin stock. The Black-Scholes value of a one-year, at-the-money call option on Roslin stock is $ ?. (Round to the nearest cent.)