The diagrams below are computer devices.

(a) Name any eight of the computer devices labelled A - I.

(b) State one use of any six input devices named in 4(a).

(a) List Four sources of credit available to a sole trader. (b) Explain the following credit instruments: (i) acceptance credit; (ii) luncheon voucher; (iii) bill of exchange. (c) State two advantages and three disadvantages of hire purchase to the seller.

(a) Explain three means of payment in international trade and two means of payment in home trade. (b) Explain five reasons countries engage in international trade.

The marketing manager of a shoe factory was in a senior management meeting to convince the board to accept his proposal using television to advertise the company's products. (a) State four benefits the company would derive from using television to advertise its products. (b) List and explain four other promotional means the company could adopt.

An article used as a means of exchange in the early days of trade in West Africa was