Word Problem 14-23 [LU 14-2 (1)] Jim Clinnin purchased a used RV with 19,700 miles for $47,600. Originally the RV sold for $73,500 with a residual value of $20,700. After subtracting the residual value, depreciation allowance per mile was $0.93. How much was Jim's purchase price over or below the book value? (Input the amount as positive value.) Purchase price was the book value by