To protect cells containing only values in a worksheet but allow cells containing formulas to be edited, which of the following actions must you perform before clicking the Protect Worksheet button on the Review tab?

Select cells containing formulas and unlock them using the Format Cells dialog box.

Select cells containing formulas and lock them using the Format Cells dialog box.

Select cells containing constants and unlock them using the Format Cells dialog box.

Select all the cells in the workbook and lock them using the Format Cells dialog box.