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.
As the cost of maintenance has been estimated at 50% of total life cycle costs (Van Vliet [2000]), it is apparent that further study into this field will be necessary. Cost savings in this area can have a large impact on the overall life of a software project.he total cost of system maintenance is estimated to comprise at least 50% of total life cycle costs (van Vliet [2000]). The proportional maintenance costs range from 49 % for a pharmaceutical company to 75% for an automobile company in some studies according to Takang and Grubb [1996].