public void SetBiWeeklyDifference()
 {
     this.BiWeeklyTotal = 0;
     foreach (var userIncome in incomeRepository.GetUserIncomes(this.User.Id))
     {
         this.BiWeeklyTotal += userIncome.BiWeekly;
     }
     foreach (var userExpense in expenseRepository.GetUserExpenses(this.User.Id))
     {
         this.BiWeeklyTotal -= userExpense.BiWeekly;
     }
 }