1. Second class matter:-
Cost $5,958 754
2. (a) Second class matter: difference$4,278,254. (b) Third class matter: exact
figures from year to year as to the revenue derived from third class matter not available. Postage stamps are used to prepay postage on third class as well as first class mail, and it is not economically practicable to separate the revenue derived from these two classes.
Note:-Postage on newspaper mailings is paid in cash and can be readily kept separate from postage on other classes of mail paid by postage stamps.
Subtopic: CARRIAGE OF SECOND AND THIRD CLASS MAIL