The RC and More Superstore decides to track customer complaints as part of their ongoing customer satisfaction improvement program. After collecting data for two months, their check sheet appears as follows: 
If they construct a Pareto chart, what is the percentage of complaints represented by the problem "Unit not working"?
Definitions:
Issued
Refers to securities that have been distributed to investors, typically shares of stock or bonds that the company has sold to the public.
Face Amount
The nominal value of a security stated by the issuer, which is the amount to be repaid at maturity.
Sold
Refers to the completion of a transaction where goods or services are exchanged for payment.
Issuance
The process of offering new securities, such as stocks or bonds, to the public for the first time.
Q8: The first step in performing quality function
Q10: _ reduces the exposures of having a
Q24: The first step in creating a _
Q26: A system is to be composed of
Q27: The first step a benchmarking firm must
Q54: Differentiate between soft data and hard data.
Q58: Major challenges in the area of workforce
Q62: _ is a service improvement technique that
Q78: What is the final step in failure
Q87: A quality engineer notes that a process