The following query is written in relational algebra. Project[Deposit.aid,Deposit.amount]( Select[Deposit.amount>=10000](  Join[aid=aid](Account,Deposit))) Our database system includes the implementation of B+ tree indexes solely. Assume we have indexes on primary keys of tables and an index on Deposit.amount. Which join algorithm reads less number of pages from the disk: sort-merge join or index nested loops join?

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