Cisco Systems disclosed the following expenses:

• Network infrastructure costs: $20,500,000
• Office rent: $6,900,000
• Marketing expenses: $7,900,000
• Executive compensation: $5,600,000
• Sales team salaries: $4,700,000
• Freight out: $2,800,000
• Legal fees: $2,300,000
• Insurance: $1,800,000

Requirements:

• Identify the network infrastructure costs.
• Calculate the marketing expenses.
• Determine the total administrative expenses.