Suppose PDQ stock is currently selling for $40 and the call with a $40 strike price on the stock is selling for $2.00 and the call with a $60 strike price is selling for $1.00. Calculate the value of a bearish call spread portfolio if the stock prite is $10, $20, $30, $40, $50, $60, $70 and $80. (30 Points) 4