Here are the financial statements for the White Division of QRS Corporation for the year ended December 31, Year 17:

White Division Income Statement

Description	Amount ($)
Sales revenue	1,650,900
Cost of goods sold	1,000,500
Gross margin	650,400
Operating expenses	415,500
Depreciation expense	85,700
Operating income	149,200
Nonoperating items	58,400
Gain on sale of equipment	17,200
Net income	224,800

White Division Balance Sheet

Assets	Amount ($)
Cash	170,200
Accounts receivable	345,400
Merchandise inventory	275,300
Equipment less accumulated depreciation	450,000
Total assets	1,241,900

Liabilities and Stockholders' Equity	Amount ($)
Accounts payable	240,200
Notes payable	108,400
Stockholders' equity	893,300
Total liabilities and stockholders' equity	1,241,900

Required:

1. Calculate the net profit margin for White Division.
2. Determine the return on equity (ROE) for White Division.
3. Compute the quick ratio for White Division.
4. Evaluate the interest coverage ratio for White Division.
5. Assess the White Division’s debt to total assets ratio.