What is a benefit of the subtotal function, available in modern spreadsheet programs, that could help Radha with her challenge of recording work hours for eight employees on a weekly basis?

a) It automatically calculates the total number of work hours for each employee.
b) It generates a graphical representation of the work hours for better visualization.
c) It provides suggestions for optimizing work schedules based on past data.
d) It integrates with time-tracking software to import work hours directly into the spreadsheet.