They are taxing it at a rate of 1.5 cents an ounce, or $2.16 per12 pack. It is un-American to apply additional tax on coke. WTF. A can of coke or two for a treat once in a while isn't going to make a person fat.
http://money.cnn.com/2016/06/16/pf/taxes/philadelphia-passes-a-soda-tax/index.html
http://money.cnn.com/2016/06/16/pf/taxes/philadelphia-passes-a-soda-tax/index.html