Erastic Corporation has $18,000 in cash, $10,000 in marketable securities, $40,000 in account receivable, $48,000 in inventories, and $46,000 in current liabilities. The corporations current assets consist of cash, marketable securities, accounts receivable, and inventory. The corporations acid-test ratio is closest to:

• 1.48

• 0.87

• 2.52

• 1.26