Calculus-Based IBDP Math AA SL IA -- 2

I need a complete IBDP Mathematics AA SL Internal Assessment that can score 16+/20. The topic is:

Comparing the volumes of two soft drink bottles using calculus.

The IA must follow the exact Table of Contents shown in the screenshot:
• Introduction
• Rationale
• Background Knowledge
• Methodology
 • Measurement of the bottles
 • Graphing
• Bottle A
 • Blue Outline
 • Black Outline
 • Black Outline Using Lagrange’s Interpolation
 • Red Outline
 • Green Outline
• Bottle B
 • Red Outline
 • Purple Outline
 • Blue Outline
• Calculating the Volume
• Interpretation
• Conclusion
• Evaluation
 • Relevant weaknesses and precautions
 • Strengths of the IA
• Bibliography

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Requirements
• Uses secondary data only.
• Models each bottle outline with appropriate functions.
• Includes Lagrange interpolation for one outline.
• Calculates volume using definite integrals and solids of revolution.
• Compares results and discusses accuracy.
• Meets all IB criteria: clear presentation, correct notation, personal engagement, reflection, and SL-level mathematics.
• Must be accurate, original, and error-free.

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Deadline

Final IA due in 2 days — Monday morning