Assess the cost-effectiveness of Amazon's investment in blockchain-based supply chain solutions using job costing.

Cost Components	Fixed Costs ($)	Variable Costs per Solution ($)	Solution Volume (solutions)
Blockchain-Based Supply Chain	70,000,000,000	1,000,000	10,000

Requirements:

Calculate the total project cost using job costing methodology.

Determine the break-even point for blockchain supply chain solutions.

Analyze the impact of technological advancements on development costs.

Conduct a sensitivity analysis on market demand and competition.

Provide recommendations for optimizing job costing in supply chain solutions.