The total cost for company X to produce a batch of tools is $10,000 plus $3 per tool. Each sells for $8. The gross profit earned from producing and selling these tools is the total income from sales minus the total production cost. If a batch of 20,000 tools is produced and sold, then Company X's gross profit per tool is ___________. Remember, after you find the overall gross profit divide that number of units to find profit per tool!