without using the option calculator. how to do the calculation. the answer is 40%

19) You observe a premium of $4.65 for a call option on Birdwell Enterprises common stock, which is currently selling for $52. The strike price on the call option is $53. The option has four months to maturity. The stock pays no dividends. The current risk-free interest rate is 4.0%. What is the implied volatility of the stock? A) 60% B) 50% C) 40% D) 30%