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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Discover how Apple Inc. and Carnegie Steel Co. leveraged backward integration to control supply chains and enhance efficiency ...

Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. The application of statistical methods extracts information from ...

Jimmy was the most helpful employee at Advance Auto Parts in Wilmington. First, he rang up my purchase. I forgot to give him my $10 gift card I had in my hand. He cancelled my order and rang it up ...

As a small business owner, Liz understands the unique challenges entrepreneurs face. Well-versed in the digital landscape, she combines real-world experience in website design, building e-commerce ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s covered the ...