the price of travel in thailand

My brother said he liked reading what the price of everything so I thought I would make list.
Keep in mind that 33 bhat is $1 US dollar.

1 liter of water at 7-11 (the best tasting) =12 bhat
Pad Thai (a normal serving not the huge portion they serve you in the US) =30 bhat
The use of the Internet for 1 hour =30 bhat
A room in a guesthouse with 2 twin beds, hot water, and AC =450 bhat a night.
A Starbucks drink and a banana chocolate chip muffin =180 bhat
A jewelry class for all day =1,100 bhat (plus 240 bhat for the sterling silver materials)
A cooking class all day with many courses =900 bhat
Souvenir t-shirt =200 bhat after you bargain with them, down from 350
Mango with Sticky rice =30bhat
Laundry =30 bhat per kilo
Can of Coke Light= 14 bhat
Ride in a tuktuk= 20 bhat per person is the lowest we paid, it depends on the distance you are going and how good you are at bargaining with the driver
Roti (crepe like substance that they make on the street that can be filled with all sorts of deliciousness) =20 bhat
Visiting a wat (buddhist temple) =free