BiK AND Mart want to start a business together. The business will offer engineering consultancy services. Bik and Mart are both qualified engineers. They intend to employ Bik's partner, Sally, on a full-time basis as an administration assistant. Mart's partner, Kama, will occasionally do some work to market the business and will be paid at casualrates. The business will trade as ' BM Engineers'. Bik and Mart are unable to decide on what sort of business structure would best suit their needs.

Required: Advise Bik and Mart of the advantages and disadvantages of suitable business structures.