1. Apple Inc., a leading technology company, reported the following figures in its financial statements for the fiscal year ending September 30, 20XX:
   • Total assets: $365 billion
   • Current assets: $125 billion
   • Non-current assets: $240 billion
   • Total liabilities: $200 billion
   • Current liabilities: $90 billion
   • Non-current liabilities: $110 billion

Calculate the following ratios for Apple Inc.:

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