Evaluate the marginal cost of expanding Nike’s footwear production line.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
Footwear Production	1,500,000,000	25	100,000,000

Requirements:

Calculate the marginal cost per unit.

Analyze how changes in production volume affect the marginal cost.

Determine the break-even point for the footwear production line expansion.

Provide recommendations for cost management in footwear production.