The following prices are available on XYZ corporation. CALLS XYZ X MAR JUNE 50 45 6.84 8.41 50 50 3.82 5.58 50 55 1.89 3.54 An investor decides to execute a butterfly (sandwich) spread using the June calls. What will be the net profit of this butterfly spread at expiration if the stock price at expiration is $52.50. $171 $500 $225 O $525