Tom wants to perform a Pareto analysis based on the following information. What will be the corresponding percentage of "Price check" in the Pareto chart?
Reason for unsatisfying check-out at store Frequency
Unfriendly cashier 25
Incorrect change 8
Cashier too slow 7
Price check 12
Poorly bagged merchandise 5
Slow receiving check approval 3
a. 18.18%
b. 33.33%
c. 12.00%
d. 27.27%