Second , the high cost of drug testing finally lead the cost of the unit drug cost being higher than produing it .
Second , the high cost of drug testing finally lead to the cost of the unit drug cost being higher than producing it . Second , the high cost of drug testing finally lead the cost of the unit to be higher than the cost of producing it . Second , the high cost of drug testing finally lead to the unit cost of the drug being higher than the cost to produce it . Second , the high cost of drug testing finally causes the cost of the unit drug to be more than the cost of producing it .