The following European call and put options exist in the market (all with the same maturity).

Strike Price (in )	Call Price(in )	Put Price(in )
30	11	4
40	6	9

A bull spread is a strategy which profits from moderate increases in stock prices, but does not benefit extra from dramatic price rises. Suppose you sell a bull spread to your client using the options quoted above. If the stock price at maturity is 33, your overall profit or loss on the trade is