For what does the acronym pdf stand?
per deal form
payment demanded frequently
portable document format
present daily form

the u.s. census bureau produces data on the population and economy nationwide. it can you to analyze the kind of people living in your neighborhood. it does not show you the market of people willing to buy your product or an existing market for your product. that will require more market research. the census bureau only gives you an insight to the demographics in your area.

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answer; by looking at total product,marginal product,and changes in both after changes in inputs

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