The value of the computer after five years will be as follows;
Value after 1 year:
24/100*2011
=$482.64
2011-482.64
=$1528.36
or
76/100*2011
=$1528.26
Value after 2nd year:
76/100*1528.36
=$1,161.55
Value after 3rd year:
76/100*1,161.55
=$882.78
Value after 4th year:
76/100*882.78
=$670.91
Value after 5th year:
76/100*670.91
=$509.89
hence the value after five years will be: $509.90