Question: Attenuated Total Reflectance (ATR) is a method for looking at the surfaces of materials that are too opaque or too thick for standard transmission methods.

Attenuated Total Reflectance (ATR) is a method for looking at the surfaces of materials that are too opaque or too thick for standard transmission methods. A manufacturer of precision plastic parts estimates that ATR spectroscopy can save the company $8000 per year by reducing returns of out-of-spec parts. What is the future worth of the savings if they start now and extend through year 4? Use i 10% per year.

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