DDBM: A property that is book-depreciated over a 10-year period by the Double Declining Balance Method has $14,680.06 book value on the 7th year. Determine the first cost of the property (round-off k to 4 decimal places). show complete solution and the table in excel. 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)