Programming in C++ Switch(grade) //Wrong Version case ' A case 'B: cout <<Good Work case 'C:cout<<“ Average Work” case 'D case 'F. cout < Poor Work numberIn trouble++ default: cout < grade < is not a valid letter grade9 Switch (grade) // Wrong Version { case ‘A’ : case ‘B’ : cout <<“Good Work”; case ‘C’ : cout <<“Average Work”; case ‘D’ : case ‘F’: cout <<“Poor Work”; numberInTrouble++; default : cout << grade <<“is not a valid letter grade.” }