// Class Methods
public void MakeDeposit(decimal amount, DateTime date, string note)
{
if (amount <= 0)
{
throw new ArgumentOutOfRangeException(nameof(amount), "Amount of deposit must be positive");
}
var deposit = new Transcation(amount, date, note);
allTransactions.Add(deposit);
}
public void MakeWithdrawal(decimal amount, DateTime date, string note)
{
if (amount <= 0)
{
throw new ArgumentOutOfRangeException(nameof(amount), "Amount of withdrawal must be positive");
}
if (Balance - amount < 0)
{
throw new InvalidOperationException("No sufficient funds for this withdrawal");
}
var transaction = new Transcation(-amount, date, note);
allTransactions.Add(transaction);
}