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Exercise: Equipment Depreciation Tracker

Understand how to create a recursive nested function in Dart to calculate asset depreciation securely. This lesson guides you through defining an outer function with a nested recursive function that applies yearly depreciation, ensuring proper encapsulation and control flow to accurately track asset value reduction over time.

Problem statement

A logistics company needs to track the remaining value of their delivery trucks for accounting purposes. The trucks lose 10% of their current value each year. To protect the calculation logic from being accessed or misused by other parts of the application, the recursive depreciation formula must be securely encapsulated.

Task requirements

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