You Wish To Refer To The “All” Option From The User Input Control In A Formula. What Is The Correct Syntax That Should Be Used In This Case?

You Wish To Refer To The “All” Option From The User Input Control In A Formula. What Is The Correct Syntax That Should Be Used In This Case?
  • _all_
  • All
  • all
  • All of the above
  • None of the above