AlumniClass.com — unauthorized credit card charges

November 28, 2016
Unauthorized charge to my credit card when I specifically informed this company over the years that I am not a member. Every year I have to inform them to expunge my charge from the account. Here we go again, another $20 charge.
What will it take to remove this annual nuisance $20 charge???
Please refund the $20 that was charged to my credit card account