The value of \(\left( {8 \div \frac{2}{3}of\frac{4}{5}} \right) \div \left( {8\; \times \;\frac{2}{3} \div \frac{4}{5}} \right)of\;\left( {8 \div \frac{2}{3}\; \times \;\frac{4}{5}} \right)is\)

• A. \(\frac{{15}}{{64}}\)
• B. \(7\frac{{13}}{{16}}\)
• C. \(21\frac{3}{5}\)
• D. 1