Q3. Consider a generalized processor sharing (GPS) system with a processing capacity of 2 packets/sec serving 4 buffers and respective weights of 0,=0.3, 02=0.2, 03=0.4 and 04=0.1. Assume a scenario where packets arrive simultaneously as follows: 4 packets at buffer 1, 3 packets at buffer 2, 2 packets at buffer 3 and 2 packets at buffer 4. Find the following: a) Serving time for all packets in the system b) First buffer to become empty and the time that it occurs c) Second buffer to become empty and the time that it occurs