State whether each of the following items should be classified as 'capital' or 'revenue' expenditure or income. (a) Purchase of premises
(b) Solicitors' fees in connection with the purchase of premises
(c) Costs of adding extra storage capacity to a mainframe computer used by the business
(d) Computer repair and maintenance costs
(e)Profit on the sale of an office building (f)Revenue from sales by credit card
(g) Cost of new machinery
(h) Customs duty charged on the machinery when imported into the country 'Carriage' costs of transporting the new machinery from the supplier's factory to the premises of the business purchasing the machinery
(I) Cost of installing the new machinery in the premises of the business
(k) Wages of the machine operators