Consider an option on a non-dividend-paying stock when the stock price is $$\$ 30$$, the exercise price is $$\$ 29$$, the risk-free interest rate is $5 \%$, the volatility is $25 \%$ per annum, and the time to maturity is 4 months.
(a) What is the price of the option if it is a European call?
(b) What is the price of the option if it is an American call?