You are the administrator of a SQL Server 2008 instance. There is a database named DB1 in the instance. The backup strategy for DB1 has the following requirements: every day at 9:00 full database…

You are the administrator of a SQL Server 2008 instance. There is a database named DB1 in the instance. The backup strategy for DB1 has the following requirements: every day at 9:00 full database backup to a file named cash.bak is performed; At 9:15 a transaction log backup to a file named cash_HHMM.trn is performed every 15 minutes. DB1 is being used in single-user mode. Today a user reports that a query deleted some data by accident, the query was executed at 9: 25. Since the deleted data is quite important, the data has to be restored to its original state. You must achieve this goal. Which action should you perform to achieve this goal?