A recently negotiated union contract allows workers in a shipping department 23 minutes for rest, 10 minutes for personal time, and 14 minutes for delays for each four hours worked. A time stuwy analyst observed a job that is performed continuously and found an average time of 4.8 minutes per cycle for a worker she rated at 91 percent of the observed time. What standard time is applicable for that operation? (Keep two decimal places in your answer)