Your broker charges $0.0020 per share per trade. The exchange charges $0.0119 per share per trade for removing liquidity and credits $0.0101 per share per trade for adding liquidity. The current best BID price for stock XYZ is $72.81 per share, while the current best ASK price is $72.82 per share. You post an order to buy XYZ at the current best BID price and wait. Shortly after, the best BID and ASK prices move lower (down) by one cent each. Your buy order is executed. Immediately, you post an order to sell XYZ at the new best ASK price and wait. Shortly after, the best BID and ASK prices move higher (up) by one cent each. Your sell order is executed. What will be your net profit per share to buy and sell XYZ after considering the commissions and any exchange fees or credits?