What is the value of pressure applied by the spring on the back of the movable anvil in passmeter?

• A. 500¬¨¬®¬¨¬±50 grammes
• B. 100¬¨¬®¬¨¬±5 grammes
• C. 500¬¨¬®¬¨¬±100 grammes
• D. 700¬¨¬®¬¨¬±200 grammes