This is a question with answer options. Goal: How to drill a hole in a penny?

Which of the following methods is more reasonable for accomplishing this goal?

Options:
1). Spray WD-40 on to the penny, letting the rim of it hold a puddle to help keep the bit cool. Place the pennies in your carpenter's pincers then use a drill in the center. Chisel down the raised edges.;
2). Spray WD-40 on to the penny, and rinse it off with water to keep it cooler. Place the pennies in your carpenter's pincers then use a drill in the center. Chisel down the raised edges.;...I think the answer is
1).