1. If the FORWARD and REVERSE optional lights were added into the circuit, how many additional wire reference numbers would have to be added? 2. Which two wire reference numbers would be used to connect the optional Start button? 3. If this circuit (including optional Start pushbutton and lamps) were to be connected to a PLC, how many outputs does the circuit have that would be connected to the PLC output section? Name the outputs. 4. After adding the new wire reference numbers to the circuit, which two wire reference numbers would the REVERSE light be connected to? 5. After adding the new wire reference numbers to the circuit, which two wire reference numbers would the FORWARD light be connected to? 2 3 4 5 STOP HF START F OFWD REV F 6 FORWARD REVERSE (3,3) (1,4) OPTIONAL START oto.