Refer to the Exhibit. 
Frank needs to add write access for the sales group, so he uses the following command:
$ chmod g+w project543.dat
Choose which answer reflects the result of this command.
A.
Only the sales group will be given write access to the file.
B.
Only the sales group and market group will have write access to the file.
C.
The sales group and market group and user jane will have write access to the file.
D.
The sales group and market group and user jane and others will have write access to the file.
Explanation: