Breach of Contract – Oral Agreement for sale and purchase of Motorcar – Recovery of sum due and owing – Interest at Commercial Bank Rate - Beneficial and Legal owner - Counterclaim – Failure of Consideration – Rental Arrears – Insufficient evidence – No receipt of payment - No date of payment – Substantial deprivation of Benefits – Least difficulty or embarrassment caused by burden – Proof of positive proposition preferred than negative proposition – Judgment for the Claimant.