$28,000 per household only if every household pays $28,000. But that is never going to happen. It’s going to be percent, and likely a progressively increasing percentage.
If you had a $1,400/mo employer plan you’d likely be paying a lot more than $1,400/mo under single payer.
If you had a $1,400/mo employer plan you’d likely be paying a lot more than $1,400/mo under single payer.