1. A counterclaim based on breach of contract prescribes after the statutory period, and the period runs from when the cause of action arose (in this case, when the alleged breach occurred in March 2012). 2. Arbitration proceedings do not interrupt prescription under section 19(2) of the Prescription Act unless the creditor seeking to interrupt prescription is a party to those proceedings, the claim is for payment of the debt in question, and the claim is successfully prosecuted to final judgment. 3. For absolution from the instance, the test is whether there is sufficient evidence upon which a reasonable court might (not should or ought to) find for the party bearing the onus of proof. 4. Quantum of damages must be proved with proper evidence; self-prepared schedules are insufficient to establish the value of deliveries or amounts attributable to specific breaches.