Eid, Inc., a manufacturer of coffee makers, had the following activities, allocated costs, and allocation bases: Activities Allocated Costs Allocation Base $67,000 Account inquiry (hours) Account billing (lines) 2000 hours $37,000 18,000 lines Account verification (accounts) $10,000 24,000 accounts Correspondence (letters) $12,000 1600 letters The above activities are carried out at two of its regional offices. How much of the correspondence cost will be assigned to the Northeast Office