"In Washington State, authorities will impose a 25 percent excise tax on every phase of the newly liberalized market: production, processing, and final sale. That’s on top of standard state sales tax of 8.75 percent." - Bloomberg News
Sometimes I think the reason marijuana is now pretty much legal, and concealed carry is sweeping the nation, is because governments are bankrupt and have run out of money.
So, being desperate for money, they realize legalizing marijuana will help grow the economy and bring in more taxes.
As for concealed carry, it makes crime go down, ultimately saving on police and prisons (we're not there yet).
Next I expect to see prostitution made legal...well, in many ways it is.
There is humor in all of this. Desperate governments trying to fund themselves through sex, drugs and rock 'n' roll.
We used to get in trouble for this stuff in high school.