Q3. {Points: 10} Solve the following problem: Consider the following network configuration. Router Router Router Router 10 Mbps 10 Mbps 10 Mbps Source 10 Mbps 10 Mbps Destination Source wants to transmit 4 packets to the destination. Each packet is 1 Mb long. How long will the 4 packets take to reach at the destination? Capacity of each communication link is 10 Mbps (as shown in the figure). {Neglect propagation delay, processing delay, and queuing delay.}