An investor believes that the price of gold will increase and buys $5($five$)$ July gold futures contracts at $1600\mathrm{.}00$ per ounce. Each contract size is $100$ ounces. July gold futures price increases. The investor decides to increase his position and goes long another $5($five$)$ contracts at $1610\mathrm{.}00$ per ounce $.$ The investor pays round$-$turn commissions of $$20$ per contract. Later he decides to liquidate all contracts at $1605\mathrm{.}00.$ What is the resulting profit or loss?