a) Purchase by sample: when goods are purchased in bulk then it is not possible to inspect the lot to be purchased. A sample is a specimen of goods, it is a representative of the bulk. In case of purchase by sample it is agreed upon both the parties that the bulk supply shall be of the same quality as that of the sample.
b) Purchase by inspection: In this the buyer personally inspect the quality of the goods to be bought. It is generally possible in retail trade.
