Which command can be used to grant write access to the file?

You have a default install of Solaris 10 on your desktop system. You are user tim. Examine the
following command and output.
$ ls -l project465.odt
-rw-r–r– 1 tim tim 394 Apr 9 15:29 project465.odt
You need to allow another user access to write the file. You do not have access to the root
account. Which command can be used to grant write access to the file?

A.
chown command

B.
chgrp command