A customer is evaluating the purchase of a new p570 8-way Express to replace their current set of ten 2-way database and application servers that are more than five years old.  In addition to savings potential in the areas of operating system and database charges， what other significant savings component should be highlighted？（）

• A、Maintenance savings due to warranty on new machines
• B、Reliability savings of using one machine versus ten
• C、Financial savings due to cash outlays now versus later
• D、Power savings even if the current power usage is unknown