A cloth merchant says that due to slump in the market, he sells cloth at $10 \%$ loss, but he uses a inaccurate metre scale and actually gains $15 \%$. Find out the actual length of the scale. (in $cm$)

  • A

    $72.4$

  • B

    $71.34$

  • C

    $78.25$

  • D

    None of these

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