Assess the cost-effectiveness of Facebook's investment in blockchain technology using job costing.

Cost Components	Fixed Costs ($)	Variable Costs per Implementation ($)	Implementation Volume (implementations)
Blockchain Technology	30,000,000,000	1,000,000	50,000

Requirements:

Calculate the total project cost using job costing methodology.

Determine the break-even point for blockchain implementations.

Analyze the impact of technological advancements on implementation costs.

Conduct a sensitivity analysis on regulatory changes and market demand.

Evaluate the potential for improving data security and transaction efficiency.

Provide recommendations for optimizing job costing in blockchain technology.