5. Tesla, Inc., a renowned electric vehicle manufacturer, provided the following financial details for the fiscal year ending December 31, 20XX:
   • Total assets: $200 billion
   • Current assets: $80 billion
   • Non-current assets: $120 billion
   • Total liabilities: $100 billion
   • Current liabilities: $50 billion
   • Non-current liabilities: $50 billion

Calculate the subsequent ratios for Tesla, Inc.:

a) Current ratio b) Debt-to-total-assets ratio c) Working capital d) Quick ratio