Concho Controls is a midsize business focusing on building automation systems. They host a set of local file servers in their on-premises data center that store customer proposals, building plans, product information, and other data that is critical to their business operations. Tara works in the Concho Controls IT department and is responsible for designing and implementing the organizations backup strategy, among other tasks. She currently conducts full backups every Sunday evening at 8 p.m. and differential backups throughout the weekdays at noon. Concho experiences a server failure at 3 p.m. on Wednesday. Tara rebuilds the server and wants to restore data from the backups. In this backup approach, some data may be irretrievably lost. How long is the time period in which any changes made will be lost?