Visualization of Azure VM Pricing

I did a presentation on the merits of using Microsoft's Azure for a our development and test environments and here are a few of the plots I produced.

Pricing correct as of today (2014_11_08), see this for up to date pricing.

I tried to plot everything in one graph, but it didn't really work all that well.

Red indicates Standard A instance, Blue Basic A Instance and Green Standard D Instance.

Exhibit A:

 Exhibit B:

Alright then, let's try to split them up.

By Number of Cores first (Red indicates Standard A instance, Blue Basic A Instance and Green Standard D Instance):

By Memory (RAM) size (Red indicates Standard A instance, Blue Basic A Instance and Green Standard D Instance):