According to Pareto‚Äö√Ñ√∂‚àö√ë‚àö¬•s principle, x% of defects can be traced to y% of all causes. What are the values of x and y?$

According to Pareto‚Äö√Ñ√∂‚àö√ë‚àö¬•s princip

1.	According to Pareto‚Äö√Ñ√∂‚àö√ë‚àö¬•s principle, x% of defects can be traced to y% of all causes. What are the values of x and y?$
A.	60, 40
B.	70, 30
C.	80, 20
D.	No such principle exists
Answer» D. No such principle exists