Assume data transmission based on Packet Switching from a node in Eastern Europe (A), through two nodes in Central Europe (B, and B), to a node in Western Europe, i.e. two intermediate hops (A B B2C). The distance between the East coast (A) and the West coast (C) is 4500 km and all hops are equally spaced. The propagation speed in copper and fiber is 2/3 the speed of light in vacuum. The speed of light is assumed here to be 300000km/sec. The synchronization rate, i.e. the maximum link capaci- ty, is 10Gbps (1010 bps). This transmission technique assumes a packet size of 10Kbyte. How long does it take to transmit a message of 1GByte (109 bytes)? Provide a figure to explain the calculation.