The price increase for C5 wasn't worth I don't know about spot pricing, but on demand pricing for c5's is about 15% less than the c4's. If you look at c5d's w

The price increase for C5 wasn't worth I don't know about spot pricing, but on demand pricing for c5's is about 15% less than the c4's. If you look at c5d's with ephemeral storage they are still a bit cheaper than c4's.