Damron Inc.wants to purchase a shear for their sheet metal shop and chooses dimensions of cost,reliability,and flexibility as critical to their long term success.They evaluate four different shears and rate their performance on each criterion on a scale from 1 (poor) to 5 (excellent) .Which shear should be purchased? 
Definitions:
Mental Age
A measure of an individual's mental attainment based on the age at which it is normal to reach a certain level of mental development.
Binet Test
An intelligence test developed by Alfred Binet, used to determine an individual's mental age and intellectual development.
IQ
Short for Intelligence Quotient, a score derived from one of several standardized tests designed to assess human intelligence.
Chronological Age
The actual age of an individual or thing as measured in years from the date of birth or inception.
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