Verizon Communications Inc. provides telecommunications services in April 2034. The company incurs the following operating costs:

Cost Category	Amount ($)
Network Maintenance	25,000,000
Customer Service	18,000,000
Marketing Expenses	12,000,000

Required:

• Classify each cost as fixed, variable, or semi-variable.
• Analyze the cost behavior of operating costs in telecommunications services.
• Determine the total cost assuming 20 million customers served.