A suspense account was opened when a trial balance failed to agree. The following errors were later discovered.<br/> A gas bill of <img src="null"/>240<br/> A discount of <img src="null"/>70 had been entered in the bank account only<br/> The original balance on the suspense account was:<br/> A、Debit <img src="null"/>210<br/> C、Debit <img src="null"/>160