Which of the following is a reason for using databases instead of spreadsheets?

a. to make it easier to create redundant/duplicated copies of data for internal/external use

b. it wouldn't because using a spreadsheet is better (to provide consistent data)

c. a database allows the organization to have a single source of consistent data (very hard with spreadsheets)

d. both e and c

e. it is much easier to answer queries with a database