Presented below is information related to Tolbert Company.

Current Assets

Cash $ 4,000
Short-term investments 75,000
Accounts receivable 61,000
Inventories 110,000
Prepaid expenses 30,000
Total current assets $280,000

Total current liabilities are $100,000. What is the acid-test ratio?

a. 2.8 to 1.
b. 2.5 to 1.
c. 1.4 to 1.
d. 0.8 to 1.