The balance sheets for Plasma Screens Corporation and additional information are provided below.

PLASMA SCREENS CORPORATION Balance Sheets December 31, 2018 and 2017
	2018		2017
Assets
Current assets:
Cash	$	116,800	$	120,000
Accounts receivable		78,000		92,000
Inventory		95,000		80,000
Investments		4,000		2,000
Long-term assets:
Land		480,000		480,000
Equipment		790,000		670,000
Less: Accumulated depreciation		(428,000)		(268,000)
Total assets	$	1,135,800	$	1,176,000
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable	$	99,000	$	85,000
Interest payable		6,000		12,000
Income tax payable		8,000		5,000
Long-term liabilities:
Notes payable		100,000		200,000
Stockholders' equity:
Common stock		700,000		700,000
Retained earnings		222,800		174,000
Total liabilities and stockholders' equity	$	1,135,800	$	1,176,000

Additional information for 2018:

1. Net income is $48,800.

2. Sales on account are $1,521,500.

3. Cost of goods sold is $1,163,750.

Required:

1. Calculate the following profitability ratios for 2018: (Round your answers to 1 decimal place.)