BIG-IP rseries license

Hi community,

I plan to buy 2 new R4600 to replace the current 4000s(c113) ASM licensed. 
F5 have changed they lincesning model and I am a bit confiused about what exactly I need to purchase. 
On the new device I need the following features:

1. Basic LTM (VS with 2,3 backend servers)
2. iRules
3. L7 attack protection
4. IPS 

Can you pelase suggest what license modules cover the above items? I can not go for Best bundle becouse of too high price.

Thanks!