An American call option on a dividend paying stock when: 

• the current stock price is $5.40. 

• the exercise price is $6.00. 

• the volatility is 30% p.a. 

• the risk-free rate of interest (continuous compounding) is 10% p.a. 

• the time to maturity is 6 months. 

• the stock is expected to pay a certain dividend of $1 in 172 (one and one-half) months' time. (note that 1 month = /24 year.)