Evaluate the marginal cost of expanding L'Oreal’s skincare product line.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
Skincare Production	4,200,000,000	1	2,000,000,000

Requirements:

Calculate the marginal cost per unit.

Determine the break-even point for the skincare product line expansion.

Analyze how changes in production volume affect the marginal cost.

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Evaluate the marginal cost of expanding Airbus’s commercial aircraft production.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
Commercial Aircraft Production	10,000,000,000	50,000	200

Requirements:

Calculate the marginal cost per unit.

Determine the break-even point for the commercial aircraft production expansion.

Analyze how changes in production volume affect the marginal cost.

Provide recommendations for optimizing commercial aircraft production costs.