1. What revenue was received by the department of the Postmaster General for each of the years 1944, 1945. and 1946 for Canadian periodicals mailed as second class mail matter?
2. What was the charge to the department by commercial carriers for the periodicals specified?
3. What was the estimated profit or loss to the department for handling these periodicals in the years mentioned?
Subtopic: POSTAL SERVICE-CANADIAN PERIODICALS-SECOND CLASS MATTER