My answer was incorrect. Would someone be able to help me clarify?

The strategic researcher found from the balance sheet of Company PQR the following financial data: cash of $2,500 and other current assets of $2,000, and the current liabilities of $10,000 and long-term liabilities of $20,000. What is the acid-test ratio (or quick ratio) of Company PQR? A) 0.15 B) 0.32 C) 0.54 D) 0.45