    ‘Sentence 1: The CBO: andlysis: of. the  Senate.‘package_ said -an ; amendment]  sponsored. by. Sen. Maria Caritwell.; D-  Wash ., accountéd for $-40 billion of the|  total-cost.,,    Sentence 2: The budget. office said-one  provision. of the “Senate bill ‘accounted|  for'$ 40 billion of the cost.