If You Need to Prepare a 15 ML Volume of a 2.3

If you need to prepare a 15 mL volume of a 2.3% solution of Drug A, how much of the Drug A powder would you add to the diluent to produce the desired solution?

A) 2.3 mg
B) 2.3 g
C) 345 mg
D) 34.5 mg
E) 3.45 mg