In answer to you question, as long as it is easy to read, anything is fine. I prefer Calibri size 11, but Times New Roman is fine.
The other poster has a point...just take the message to Garcia.
But let h e that is without sin cast the first stone. It reminds me of when I was a resident on the anesthesia service, and I asked the CRNA who was supervising me what dose of neostigmine/glycopyrrolate I should give to reverse a nondepolarizing muscle relaxant, and he said, "How much do you think you should give?"