Take the following as truth: The volume of letters sent by households or household originated mail can be obtained from Table 1 by adding the volumes of HH-to-HH and HH-to-NHH mail.
Then the following statement: "If you add the volumes of HH to HH and HH to NHH youbeill hey the volume of letters sent to homes." is true, false, or inconclusive?
Answer: True