A drawing uses chain dimensioning to locate three drilled holes in a row. The first hole is dimensioned 1.000" ± 0.005" from the left edge. The second hole is 2.000" ± 0.005" from the first, and the third is 2.000" ± 0.005" from the second. What is the maximum possible positional error of the third hole relative to the left edge?

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