Keith is a seventeen year old boy who is employed as a filling station attendant.Advise whether

A)if Keith enters into a contract to buy a motor vehicle,the conntract is valid and binding if he was not assisted by his parents (6)

B)The marriage concluded by him with Candice who is eighteen years old is valid(6)

C) If the marriage to Candice is out of community of property, there are formalities to comply with (6)