Assume 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 ____ ($14 put or $18 put) and sell the ___ ($14 put or $18 put). This strategy gives rise to an initial cash (inflow or outflow) of $___ In your answer, record the values missing from the sentence above (i - iv), as well as the values (a-f) that should appear in the table below. Stock Price St 18 14 SS S 18 ST 14 Payoff (a) (b) (C) Profit (d) (e) (f)