DBM: A property that is book-depreciated over a 10-year period by the Declining Balance Method has $19,856.99 book value on the 4th year. Determine the assumed salvage value of the property (round-off k to 4 decimal places).

if possible please try solving using these as well: 1.Sum of Years Digit Method (round-off k to 4 decimal places) 2.Straight Line Method (round-off k to 4 decimal places) 3.Double Declining Balance Method (round-off k to 4 decimal places). 4. Declining Balance Method (round-off k to 4 decimal places)