Bookoo is made by yard sale fans, for yard sale fans. 1  We started Bookoo so we could find the bargains we needed with less running around town and leaving more time for family. What it has become is a better way to buy and sell stuff with neighbors. 2  Bookoo brings neighbors together.
5.0 Conclusions. During the life of the system, the Operations and Maintenance Phase is the longest and most expensive as the information system provides the most value to the organization in this phase..0 Conclusions. During the life of the system, the Operations and Maintenance Phase is the longest and most expensive as the information system provides the most value to the organization in this phase.
A. Ambrozy, A. Chovanec â COST OPTIMIZATION FOR REALISATION OF MAINTENANCE COST. R&RATA # 4. (Vol.1) 2008, December. - 30 -. If no failure occurs, losses rise from the unavailing usage of the diagnostic device C1. The sum of costs of planned diagnostic controls and losses from the device operation in the fault state.