A prescription calls for 5 mg of morphine sulfate. Using a sensitivity requirement of 5 mg, how would you obtain the required amount of morphine sulfate with an error not greater than 5%?

100 mg of drug, 1900 mg of diluent, 100 mg of aliquot

150 mg of drug, 2250 mg of diluent, 100 mg of aliquot

125 mg of drug, 1675 mg of diluent, 80 mg of aliquot

120 mg of drug, 2000 mg of diluent, 100 mg of aliquot

80 mg of drug, 1920 mg of diluent, 80 mg of aliquot