sliding window

Question

A is sending data to host B over a full duplex link. A and B are using the sliding window protocol for few control. The send and receive window size are four(4) packets each. Data packets (sent only from A to B) are all 1500 Bytes long and the transmission time for such a packet is 60 μseconds. Acknowledgement packets are very small(sent from B to A) and require very negligible time. The propagation delay over the link is 170 μseconds. What is the maximum achievable throughput in the communication?
A. 3.75 x 106 Bps B. 7.5 x 106 Bps C. 10 x 106 Bps D. 12.75 x 106 Bps

Comments

Yes exactly. 3.75 comes if we take stop and wait where N=1. not here.

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@verma ashish : i forgot to update that thanks  :) thanks

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@arvin

is 15 MBps the correct answer or should we divide it with 2 since it is given that the connection is full duplex?