4. On Jan 17, 2019, the spot offer price of Google stock is $1,086.50 and the offer price of a call option with a strike price of $1,090 and a maturity date of March is $380. A trader is considering two alternatives: buy 100 shares of the stock and buy 100 September call options. For each alternative, what is (a) the upfront cost? (b) the total gain if the stock price in March is $1200? (c) the total loss if the stock price in March is $900? Assume that the option is not exercised before September and if stock is purchased it is sold in September