A trader purchases an asymmetric butterfly spread by purchasing 1 call with a strike price of $20, another call with a strike of $30, and selling short two calls at a strike of $27. The premiums are 8, 4, and 1, respectively.?
A. What is the maximum profit on this set of transactions?
B. If at expiration the spot price is $29, what is the net profit (ignoring TVM)
C. What is the lowest spot price at expiration that would still allow the trader to break even?