Calculate the efficiency of stop-and-wait ARQ, Computer Networking

5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system that transmits at R=1 Mbps and with reaction time of 1ms for channels with a bit error of 10-6,10-5 and 10-4

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