In a stop-and-wait ARQ system, the bandwidth of the line is 10Mbps. A bit takes 3ms to travel from source to destination. The length of the data frame is 5000 bits

a. For a round trip, what is the bandwidth-delay in bits?

b. What percentage of this link will be utilized?

c. If a protocol is designed so that up to 10 frames can be sent before receiving acknowledgments, what will be the utilization percentage? Assume that no frames are re-sent due to damage or otherwise.