In problem 6.2, what percentage of the time is the order actually running?

In problem 6.2

An order for 100 of a product is processed on work centers A and B. The setup time on A is 50 minutes, and run time is 5 minutes per piece. The setup time on B is 60 minutes, and the run time is 5 minutes per piece. Wait time between the two operations is 5 hours. The move time between A and B is 40 minutes. Wait time after operation B is 5 hours, and the move time into stores is 3 hours. Queue at work center A is 25 hours and at B is 35 hours. Calculate the total manufacturing lead time for the order.