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 cumulative percentage of the two leftmost bars?
Definitions:
Car Seats
Specially designed seats for children in vehicles, aimed at enhancing safety by accommodating a child's size and weight and securing them during travel.
Unobtrusive Research
A method of data collection that does not interfere with the subjects being studied, preserving the authenticity of their behavior.
Visible-Minority
Refers to individuals in a demographic group distinguishable by physical characteristics from the demographic majority in a given society.
Salespeople
Individuals who sell goods and services, often working on behalf of a company or themselves, to engage customers and execute sales transactions.
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