Evaluate the marginal cost of expanding Apple’s wearable technology production line.

Cost Components	Fixed Costs ($)	Variable Costs per Unit ($)	Production Volume (units)
Wearable Technology	5,000,000,000	300	20,000,000

Requirements:

Calculate the marginal cost per unit.

Determine the break-even point for the wearable technology production line expansion.

Analyze how changes in production volume affect the marginal cost.

Provide recommendations for optimizing wearable technology production costs.