Volcker raised rates to almost 20% to break inflation in the 70s. But that's when debt was low and we were able to service it. Now that debt is high, how much c

Volcker raised rates to almost 20% to break inflation in the 70s. But that's when debt was low and we were able to service it. Now that debt is high, how much can the Fed actually increase rates? Are they out of options?