The financial records for Zeta Manufacturing Ltd. for the year ended September 30, 2023, include:

Income Statement	Amount
Revenue	$1,000,000
Cost of Goods Sold	$600,000
Operating Expenses	$250,000
Interest Expense	$20,000
Tax Expense	$24,000

Balance Sheet	Amount
Current Assets	$200,000
Total Assets	$500,000
Current Liabilities	$80,000
Long-term Debt	$120,000
Shareholders' Equity	$300,000

Requirements: a. Compute the current ratio. b. Calculate the net profit margin. c. Determine the return on assets. d. Evaluate the debt to equity ratio. e. Analyze the company’s interest coverage ratio.