Evaluate the marginal cost of expanding Procter & Gamble's personal care product line.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
Personal Care Production	900,000,000	5	200,000,000

Requirements:

Calculate the marginal cost per unit.

Assess how changes in production volume affect the marginal cost.

Determine the pricing strategy based on marginal cost analysis.

Provide recommendations for cost management in personal care production.