16) The following table shows a system in a safe state. The system has a total of 12 tape drives Job Allocated Max Need 4 6 7 2 4 Select which of the following would change it to an unsafe state: 16.1. job 2 requests and is allocated 2 tape drives 16.2. job 1 requests and is allocated 2 tape drives 16.3. job 3 requests and is allocated 2 tape drives