Penelope wants to search a transaction database to find all customers who spent more than $500 in one day so that these people can receive a coupon. what is the best way for penelope to find this information? a. she could add search parameters to only find records that have transaction totals higher than $500. b. she could update the query to only find transaction totals higher than $500. c. she could create table relationships to link all transaction totals that are more than $500. d. she could generate a report because it will automatically filter transactions by their totals.