Instead of dividing $391$ cookies among $3$ children $A, B, C$ in the ratio $\frac{1}{5}: \frac{1}{4}: \frac{1}{8}$,they were divided in the ratio $5: 4: 8$. Who gains the most and how many?

  • A
    $A, 21$ cookies
  • B
    $B, 78$ cookies
  • C
    $C, 99$ cookies
  • D
    $C, 78$ cookies

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