Evaluate the marginal cost of expanding Tesla’s charging station network.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
Charging Station	4,500,000,000	10,000	1,000,000

Requirements:

Calculate the marginal cost per unit.

Determine the break-even point for the charging station expansion.

Analyze how changes in production volume affect the marginal cost.

Provide recommendations for cost management in charging station network expansion.