Shiraz sold a 1985 Mercedez Benz to Randy for R30 000 subject to a 'Voeststoots' clause. The cars brakes are so faulty that on Randy's first trip they failed, and B crashed into his own garage causing damage worth R10 000 to the garage door. Advise Randy on his rights and remedies in the following circumstances:

3.2.1 Shiraz is a private seller who was ignorant of the defect. (3)

3.2.2 Shiraz is a dealer in motorcars, was ignorant of the defect and made no representations. (3)

3.2.3 Shiraz is a dealer in motorcars but told Randy that the brakes had been completely redone and that they should last for years. (3)

3.2.4 Shiraz is a private seller, sold the car 'voetstoots' but was aware that the brakes are faulty but chose to conceal this information from Randy. (3)