JohnnieZ

Deeply discounted economy: T, L, G and O
Discounted economy: K, H, V, N and U
Less discounted economy: Q and B
Full-fare economy: Y, S and M
Deeply (?) discounted business: W
Discounted business (but really, not that cheap): Z and D
Full-fare business: I and C
Discounted first class: A
First class: F

The earning table can be found at: http://www.elal.co.il/ELAL/English/M...ationTable.htm
Bonuses for elites: 10% for Silvers, 25% for Golds, 50% for Platinums and Top Platinums.