Question: Write a query in XQuery on the XML representation as shown below to find the total balance, across all accounts, at each branch. A-101 Downtown

Write a query in XQuery on the XML representation as shown below to find the total balance, across all accounts, at each branch. 

A-101

Downtown

500

A-102

Perryridge

400

A-201

Brighton

900

Johnson

Alma

Palo Alto

Hayes

Main

Harrison

A-101

Johnson

A-201

Johnson

A-102

Hayes

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