Small numbers add up.
A) 14 dex, +0 weapon, +0 arrows, +0 fighting style, level 7, against AC 18. Makes 20 attacks for 1d8+2 each; gets 1 crit, 7 other hits, deals 56.5 damage.
B) 20 dex, +1 weapon, +1 arrows, +2 fighting style, level 7, against AC 18. Makes 20 attacks for 1d8+7 each, gets...