The value of \({ {5} \over 16} + { {3} \over 5} × 1{ {7} \over 8} ÷ { {2} \over 3} - 6{ {1} \over 8}÷(5{ {1} \over 4} ÷{ {3} \over 7} of { {1} \over 2}) of { {6} \over 7}\) is:
1
\({ {19} \over 6}\)
2
\({ {17} \over 12}\)
3
\({ {41} \over 24}\)
4
\({ {31} \over 18}\)