A computer on a 10Mbps network is regulated by a token bucket. The token bucket is filled at a rate of 4 Mbps. It is initially filled to capacity with 15 Megabits. How long can the computer transmit at the full 8 Mbps (in seconds) upto two decimal places?

the question should be AT A FULL RATE OF 10 Mbps NOT AT 8Mbps the question is wrong the question should be at what time we REACH 8Mbps then the below answer is correct