As an auditor for Apple Inc., you are asked to verify the following sales data for the quarter ended March 31, 2024:

• Total sales revenue: $10,000,000
• Sales returns: $500,000
• Sales discounts: $200,000
• Cost of goods sold: $6,000,000
• Operating expenses: $2,000,000

Calculate the net sales, gross margin, and net income for Apple Inc. for the quarter ended March 31, 2024.