Booker Corporation Had the Following Comparative Current Assets and Current

Booker Corporation had the following comparative current assets and current liabilities: $$\begin{array} { l r r } & \text { Dec. } 31,2017 & \text { Dec. 31, 2016 }\\\text { Current assets } \\\text { Cash } & \$ 60,000 & \$ 30,000 \\\text { Short-term investments } & 40,000 & 10,000 \\\text { Accounts receivable } &55,000 & 95,000 \\\text { Inventory } &110,000 & \$ 90,000 \\\text { Prepaid expenses } & 35,000 & \$ 20,000 \\\quad \text { Total current assets } &\$ 300,000 & \$ 245,000 \\\text { Current liabilities } & \\\text { Accounts payable } & \$ 140,000 & \$ 110,000 \\\text { Salaries payable } & 40,000 & 30,000 \\\text { Income tax payable } & 20,000 & 15,000 \\\quad \text { Total current liabilities } &\$200,000&\$155,000 \\\end{array}$$ During 2017 credit sales and cost of goods sold were $750000 and $400000 respectively.
Instructions
Compute the following liquidity measures for 2017:
1. Current ratio.
2. Working capital.
3. Acid-test ratio.
4. Accounts receivable turnover.
5. Inventory turnover.