Carla Vista Medical manufactures hospital beds and other institutional furniture. The company's comparative balance sheet and income statement for 2019 and 2020 follow.

Carla Vista Medical

Comparative Balance Sheet

As of December 31

2020 2019

Assets

Current assets

Cash $399,000 $417,350

Accounts receivable, net 1,082,000 776,400

Inventory 738,000 681,000

Other current assets 381,300 247,100

Total current assets 2,600,300 2,121,850

Property, plant, & equipment, net 8,619,910 8,440,065

Total assets $11,220,210 $10,561,915

Liabilities and Stockholders' Equity

Current liabilities $3,159,000 $2,846,000

Long-term debt 3,702,700 3,892,700

Total liabilities 6,861,700 6,738,700

Preferred stock, $5 par value 58,900 58,900

Common stock, $0.25 par value 104,600 103,850

Retained earnings 4,195,010 3,660,465

Total stockholders' equity 4,358,510 3,823,215

Total liabilities and stockholders' equity $11,220,210 $10,561,915

Carla Vista Medical

Comparative Income Statement and Statement of Retained Earnings

For the Year

2020 2019

Sales revenue (all on account) $10,177,200 $9,613,900

Cost of goods sold 5,611,750 5,298,700

Gross profit 4,565,450 4,315,200

Operating expenses 2,840,300 2,634,100

Net operating income 1,725,150 1,681,100

Interest expense 300,300 308,650

Net income before taxes 1,424,850 1,372,450

Income taxes (30%) 427,455 411,735

Net income $997,395 $960,715

Dividends paid

Preferred dividends 29,500 29,550

Common dividends 433,350 413,100

Total dividends paid 462,850 442,650

Net income retained 534,545 518,065

Retained earnings, beginning of year 3,660,465 3,142,400

Retained earnings, end of year $4,195,010 $3,660,465

(a-d)

Calculate the following liquidity ratios for 2020. (If working capital is negative then enter with a negative sign preceding the number or parentheses, e.g. -15,000 or (15,000). Round all answers except working capital to 2 decimal places, e.g. 2.55.)

a. Working capital $

b. Current ratio

c. Acid-test ratio

d. Accounts receivable turnover ____times