Computer-based accounting system

Question: All the following with one exception are examples of advantages of accounting system over a manual system. Which statement is the exception?

a) Financial calculations can be performed more quickly and accurately
b) Financial information can be presented to other business departments in a variety of forms
c) There is much stronger provision for data security
d) The system is easier to update as new information becomes available

In the above question all four option perhaps seem to be correct, there is probably not enough evidence to conclude any option wrong.