Use the information below to answer this question.

\(\begin{array}{c|c}
\text{Stock} & 11,250 \\
\hline
\text{Debtors} & 18,750 \\
\hline
\text{Creditors} & 3,750 \\
\hline
\text{Bank} & 4,000 \\
\hline
\text{Net profit} & 7,500 \\
\hline
\text{Net} & 60,000 \\
\end{array}\)

Calculate the acid test ratio