a) In the shipping department of a softball factory, the balls roll down a conveyor and through a chute single file into boxes for shipment. Each ball passing through the chute activates a switch circuit that produces and electrical pulse. The capacity of each box is 32 balls. Determine the logic circuit comprises of JK flip flops to indicate when the box is full, so that an empty box can be moved into position. (6 marks) Draw the timing diagram for the circuit. (4 marks)