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; } }