STU Ltd.'s financial statements for the year ended December 31, 2023, are summarized as follows.

Balance Sheet as of December 31, 2023

• Cash: $270,000
• Marketable Securities: $150,000
• Accounts Receivable: $450,000
• Inventory: $520,000
• Prepaid Expenses: $60,000
• Property, Plant, and Equipment (Net): $1,800,000
• Total Assets: $3,250,000

Liabilities and Equity

• Accounts Payable: $340,000
• Notes Payable: $230,000
• Long-term Debt: $900,000
• Common Stock: $1,200,000
• Retained Earnings: $580,000
• Total Liabilities and Equity: $3,250,000

Income Statement for the year ended December 31, 2023

• Revenue: $3,500,000
• Cost of Goods Sold: $2,100,000
• Operating Expenses: $900,000
• Interest Expense: $70,000
• Taxes (30%): $129,000
• Net Profit: $301,000

Evaluate the financial condition of STU Ltd. considering (i) liquidity ratios, (ii) leverage ratios, (iii) profitability ratios, and (iv) efficiency ratios.