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Create a command-line tool /app/ledger that performs precise financial calculations using fixed-point…

Create a command-line tool /app/ledger that performs precise financial calculations using fixed-point…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Goal : The tool must correctly parse a CSV file containing financial transactions, compute running balances per…

The task

**Goal**: The tool must correctly parse a CSV file containing financial transactions, compute running balances per account, and output a sorted, formatted summary. All arithmetic MUST use fixed-point decimal (not floating-point) to avoid precision errors.

Part of ai-and/termgrade-environments.