The number of items produced and the price per item for the Duffy Manufacturing Company are: 
What is the value index of production for 2000 using 1990 as the base period?
Definitions:
SAE Grade Rating
A system developed by the Society of Automotive Engineers (SAE) to classify oils and lubricants based on their viscosity characteristics.
Grade 8
A classification of bolts and screws indicating a high level of strength, often used in applications requiring durability and resistance to stress.
MIG Welding
A welding process using a continuously feeding wire and an inert gas to shield the weld from contaminants.
Mild Steel
A type of carbon steel with a low amount of carbon content, making it relatively soft and easy to cut or shape, commonly used in construction and manufacturing.
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