15% of $22,000 is $3,300. $22,000 minus $3,300 is $18,700.
15% of $18,700 is $2,805. $18,700 minus $2,805 is $15,895.
15% of $15,895 is $2,384.25. $15,895 minus $2,384.25 is $13,510.75.
After 3 years, the cars value has reduced from $22,000 to $13,510.75
