Sales = Gross Profit / Gross Profit Ratio:
\[
{Sales} = \frac{ 5,00,000}{25\%} = 20,00,000
\]
Working Capital = Current Assets - Current Liabilities:
\[
{Working Capital} = (Shareholders' Funds + Non-current Liabilities) - Non-current Assets
\]
\[
{Working Capital} = ( 25,00,000 + 8,00,000) - 23,00,000 = 10,00,000
\]
Working Capital Turnover Ratio = Sales / Working Capital:
\[
{Working Capital Turnover Ratio} = \frac{ 20,00,000}{ 10,00,000} = 2 { times}
\]