GOOG stock on 15th March 2019 is $1,185.55, calculate the European call price for a strike price of $1,220 using the two-step binomial pricing model using the yearly volatility of 0.28% and the risk-free rate of 1% per annum. Also, you consider the number of days between 14th March 2019 and 20th September 2019 (expiration date) to be 190, and the number of days in a year 365. Show the steps in detail.
What would be the American call price?