Goob and Dandy

Goob:Hey how much is this?*Looks at medkit*Dandy:Oh,that's 9 dollars.Goob:Cool!Here's the 10.Dandy:Alrighit!And here's your 1 dollar back.Goob:And then how much for this?*Look at pop*Dandy:That will be 2 dollars.Goob:Were you go!*Dandy sees is 1 dollar*Dandy:This is 1 dollar!*Look angry*Goob:Yeah but,what is 9+2?Dandy:11.Goob:And how money is in your hand right now?Dandy:*Hes look the money*11 dollars....(You are Goob)