public int promoteEmployee(EmployeeInformation employee, string ans) { var oldRating = employee.Rating; int newRating; if (ans == "pr" || ans == "p") { newRating = oldRating + 1; return(newRating); } else { if (oldRating > 0) { newRating = oldRating - 1; return(newRating); } else { return(oldRating); } } }