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[#1] International trade

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[#1] International trade


You have been given two files. The first is an XML file containing the conversion rates for exchanging one currency with another. The second is a CSV file containing sales data by transaction for an international business. Your goal is to parse all the transactions and return the grand total of all sales for a given item.

What is the grand total of sales for item DM1182 across all stores in USD currency?


  • After each conversion, the result should be rounded to 2 decimal places using bankers rounding.
  • Some conversion rates are missing; you will need to derive them using the information provided.
  • Since we are working with financial transactions, we need to avoid floating point arithmetic errors.

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