A dollar bill today would have been the equivalent of a quarter bill in the 1960s, so vending machines and mass transit vehicles have had to be equipped at great expense to accommodate the paper dollar.
(A dollar bill; would have been; the equivalent of a quarter bill in the 1960s; T:today) (vending machines and mass transit vehicles; to be equipped; at great expense; to accommodate the paper dollar) (vending machines and mass transit vehicles; to accommodate; the paper dollar)
A dollar bill vending machines and mass transit vehicles vending machines and mass transit vehicles
would have been to be equipped to accommodate
the equivalent of a quarter bill in the 1960s T:today
at great expense to accommodate the paper dollar
the paper dollar