The cost drivers information in Aria Operations, when users review in the menu ->Configurations-> Cluster Cost -> The CPU or RAM Base rate some clusters values are showing zero.
Aria Operations 8.18.X
The full cost including decimals will be considered, but the values in the table are being rounded up to the next whole number. Example: since the base rate is 0.35$/GB it is shown as 0$ in the cluster cost page.