Don's personal auto was damaged in a wind storm this year. Don purchased the auto several years ago for $51,900 and it was worth $28,545 at the time of the storm. The damage was superficial, so Don decided not to repair the car. Although Don collected $1,000 from his insurance company, the value of the car dropped after the storm to $22,836. What is the amount of casualty loss from the storm damage before Don applies any floor limitations?