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How to Count Transactions

A daily data input file maintains internally stored data. The file has 36 different records (besides header and trailer information) representing different types of transactions—for example, debits, credits, and updates. How would you go about determining the unique external inputs (EIs) to be counted?

Count an EI for each unique transaction. Each unique transaction represents different processing requirements. Make sure that identical transaction types are counted only once. You can determine unique transaction types by examining the specifications, physical file layouts, or code.

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