SYMPTOM:
A user wants to know the Cost ranges established for High, Medium, and Low Priority in a database instance in Strategy Developer 9.x.
When accessing Job Prioritization tab, the values for cost are not shown, as seen below:

CAUSE:
The product is working as designed.
ACTION:
In order to verify the chosen values for cost, follow the steps below:

Job priority defines the order in which jobs are processed. Jobs are usually executed on a first-come, first-served basis; however, user can select some jobs to be processed before or after other jobs. Users with administration privileges can assign different priorities to reports by assigning them a Report Cost.
For more information on Job Prioritization refer to the following Strategy Knowledge Base technical note:
KB8486 (KB5300-72X-0405): What is Job Prioritization and Connection Management in Strategy Intelligence Server 8.x?