????? yu deprsheate it 12% per yeer? (strate line depresheate) ????
12%*10,000$=1,200$/yeer
from 2009 tu 2012=3 yeers
depresheeate=3*1,200$=3,600$
kar value =10,000$ -3,600$=6,400$
####### this is NOT the wae it is
kars depresheeate MUCH faster in first 3 yeers, then sloer
normal wae...yuze sum-av-digits tu get eech yeers depresheeate