Of the 1.0 g of 2:1:1 mixture of acetylsalicylic acid/acetaminophen/caffeine, how much of it is Tylenol? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to a 1.0 g
b 0.75 g
c 0.5 g
d 0.25 g
e. none of it