21. The current 33-cent First Class rate took effect Jan . 10, 1999, a 1-cent increase. 22. The award criteria include class rates , conduct, and progress. 23. At regular second-class rates , the postage alone for 5.5 million letters would exceed $ 500, 000. 24. Vandalism is targeted at the highest-profile article; that is, the article with the highest class rating . 25. Trucks are assigned a class rating based upon the gross vehicle weight rating ( GVWR ). 26. The basic 34-cent first-class rate doesn't change. 27. Quite a number of changes have been made to this article since it received a B-class rating . 28. The new Wikipedia-wide C-Class rating ( see category ), has been added to the scale as well. 29. It was denominated at the then first class rate of 3 cents and was on orange paper. 30. This class rates slightly better than USC coach Paul Hackett's first class when the rankings are averaged.