You're analyzing the cash flow statements of three leading companies to assess their liquidity and cash management.

Company A: Walmart Inc.

• Cash from Operating Activities: $32.9 billion
• Cash from Investing Activities: -$11.3 billion
• Cash from Financing Activities: -$12.8 billion
• Beginning Cash Balance: $11.7 billion
• Ending Cash Balance: ?

Company B: Johnson & Johnson

• Cash from Operating Activities: $22.4 billion
• Cash from Investing Activities: -$10.1 billion
• Cash from Financing Activities: -$10.7 billion
• Beginning Cash Balance: $14.6 billion
• Ending Cash Balance: ?

Company C: Tesla, Inc.

• Cash from Operating Activities: $5.9 billion
• Cash from Investing Activities: -$4.3 billion
• Cash from Financing Activities: -$5.8 billion
• Beginning Cash Balance: $8.2 billion
• Ending Cash Balance: ?