Evaluate the marginal cost of expanding Facebook’s artificial intelligence research division.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
AI Research	7,000,000,000	100,000	100,000

Requirements:

Calculate the marginal cost per unit.

Determine the break-even point for the AI research division expansion.

Analyze how changes in production volume affect the marginal cost.

Provide recommendations for cost management in AI research.