If the put options on a stock with strike prices $14 and $18 cost $2 and $4.50, respectively. The two options can be used to create a bull spread if an investor buys the _(a)__($14 put or $18 put) and sell the_(b)__($14 put or $18 put). This strategy gives rise to an initial cash Stock Price Payoff Profit (e) (h) ST 18 14 ST 18 (1) (1) ST 14 (8) (1) Provide the information that is missing in the question in order. (inflow or outflow) of $__(d)_____