Suppose now the file is broken up into 30 packets with each packet containing 20,000 bits.

Suppose now the file is broken up into 30 packets with each packet containing 20,000 bits. Suppose that each packet is acknowledged by the receiver and thetransmission time of an acknowledgment packet is negligible. Finally, assume thatthe sender cannot send a packet until the preceding one is acknowledged. How long does it take to send the file?