Case AC 8-1 Eric Runs a Small Computer Repair Service

Case AC 8-1 Eric runs a small computer repair service. He decides to reduce prices by 5% to see if he can obtain more clients. Eric quickly creates and runs an update database query against his price table to lower the prices displayed on his Web site and then decides to take a lunch break. In the meantime, Eric begins receiving many client emails and calls inquiring on the 50% price drop advertised on his Web site. What should Eric have done before running his query?

A) Eric should have made a copy of the price table before he ran the query.
B) Eric should have made a copy of the query before he ran the update.
C) Eric should have gone to a competitor's store to compare their prices to his.
D) Eric should have set a restore point.