3. Business combination (continued) 4. Accounts receivable 5. Property, plant and equipment Acquisition Disposals/ transfers January 1, of from assets under December 31, 2000  subsidiary Additions construction 2000 Cost Land 475,679 - - 475,679 Buildings 1,990,446 110,289 164,290 ( 150,000) 2,115,025 Plant and equipment 6,227,267 1,540,839 1,200,082 ( 155,477) 8,812,711 Distribution 10,240,274 - 1,146,603 - 11,386,877 Office furniture, fixtures and equipment 447,880 1,071 187,563 - 636,514 Vehicles 588,450 4,818 104,908 - 698,176 Leasehold improvements 17,658 - 8,374 - 26,032 Lab equipment 32,218 - 2,106 - 34,324 Assets under construction 1,179,736 - 1,858,722 ( 2,337,207) 701,251 $21,199,608 $1,657,017 $ 4,672,648 $( 2,642,684) $24,886,589 January 1, Charge for December 31, 2000 the year Disposals 2000 Accumulated depreciation Buildings 685,598 74,579 ( 150,000) 610,177 Plant and equipment 2,835,964 416,716 ( 155,477) 3,097,203 Distribution 2,368,084 468,920 - 2,837,004 Office furniture, fixtures and equipment 240,811 70,402 - 311,213 Vehicles 266,113 71,022 - 337,135 Leasehold improvements 17,658 2,442 - 20,100 Lab equipment 28,810 1,056 - 29,866 $ 6,443,038 $ 1,105,137 $( 305,477) $ 7,242,698 Net book value $14,756,570 $17,643,891 (Expressed in United States dollars) The above proforma results of operations are for comparative purposes only and reflect increased amortisation expenses resulting from the acquisition but do not include any potential cost savings from combining the acquired business. Consequently, the proforma results do not reflect the actual results of operations had the acquisition occurred on January 1, 1999 and are not intended to be projections of future results or trends. Accounts receivable comprise receivables from customers and are shown net of an allowance for doubtful accounts of $12,000 (1999: $12,000). Significant concentrations of credit risk are disclosed in Note 20. Certain fixed assets are pledged as collateral for certain obligations of the Company, as more fully described in Note 7. CONSOLIDATED WATER CO. LTD. NOTES TO CONSOLIDATED FINANCIAL STATEMENTS