How much do Forever stamps currently cost?

There a 3 different monthly plans the 1st is Pro which costs $15.99, the 2nd is premier which costs $24.99 and the 3rd is Pro Shipper, which costs $ 34.99. Each package is for a different type of customer. For most small businesses the 1st would suffice, but for bigger companies the 2nd and 3rd would be better depending on their needs.