Consider 4 input lines with data rates of 155, 150, 158 and 152 Kbps. We want to multiplex these lines using a single synchronous TDM multiplexer. Pulse stuffing will be used to adjust bit rates, however the overhead must be minimized as much as possible .  Assuming that the multiplexer output frame includes  5 bits from each input line and no sync bit, what is the output frame duration in microseconds? Calculate up to 1 decimal point.