Apple Inc. is conducting an in-depth analysis of its balance sheet for the fiscal year ending

September 30, 20X9. The following data is available:

● Total Assets: $300,000,000

● Total Liabilities: $150,000,000

● Total Equity: [Calculation 1]

● Cash and Cash Equivalents: $50,000,000

● Property, Plant, and Equipment: $100,000,000

● Long-term Debt: $70,000,000

● Common Stock: [Calculation 2]

● Retained Earnings: [Calculation 3]

Calculate the following:

a) Total Equity b) Common Stock Value c) Debt-to-Equity Ratio d) Return on Equity (ROE)