Energy Solutions Inc.'s financial records show:

• Cash: $80,000
• Marketable Securities: $35,000
• Accounts Receivable: $50,000
• Inventory: $70,000
• Prepaid Expenses: $5,000
• Accounts Payable: $30,000
• Notes Payable: $20,000
• Long-Term Liabilities: $90,000
• Common Stock: $140,000
• Retained Earnings, beginning of year: $65,000
• Sales Revenue: $400,000
• Cost of Goods Sold: $220,000
• Administrative Expenses: $100,000
• Interest Expense: $8,000
• Tax Expense: $12,000

Requirements:

1. Calculate Energy Solutions Inc.'s net income.
2. Determine the current ratio.
3. Compute the quick ratio.
4. Find the ending retained earnings.