If a Company Were to Utilize the Grandfather-Father-Son Backup Scheme

If a company were to utilize the Grandfather-Father-Son backup scheme, what backup cycles are implemented?

A) Full backup once per month and week and a smaller backup each day
B) Full backup once per month, differential once per week, and incremental once per day
C) Full backup once per quarter and month and a smaller backup each week and day
D) Full backup once per year, differential once per month, and incremental each day