Boeing is considering the costs of manufacturing a new commercial airplane model. The fixed costs for production are $500,000,000, and the variable costs are $100,000 per unit. Boeing plans to produce 50 units in the first year. Additionally, quality control costs are projected to be $10,000,000.

Requirements:

1. Calculate the total manufacturing costs for the first year.
2. Determine the cost per unit.
3. Analyze the impact of producing 10 additional units on total and per-unit costs.
4. Discuss the importance of managing quality control costs.
5. Recommend strategies for optimizing production efficiency.