Gretel Corporation has provided the following financial data: Current assets: Cash $241,000 Accounts receivable $234,000 Inventory S119,000 Prepaid expenses $45,000 Total current assets $639,000 Current liabilities: Accounts payable $163,000 Accrued liabilities $87,000 Notes payable, short term $57,000 Total current liabilities $307,000 What is the company's working capital? What is the company's current ratio? What is the company's acid-test (quick) ratio