Accounts. .depreciation

Shubham kumar (.) (620 Points)

28 November 2012  
Book of a shows on 1.1.10 Furniture Rs.20,000. During the year a part of the furniture whose book value on 1.1.10 Is Rs.1,200 Has been exchanged With another furniture by paying additional Rs.500. A Charge depreciation @ 10%P.a. The net amount of the furniture to be shown in Balance sheet will be? . . . Ans is Rs.18,478. Please explain the ans.