Answer:
13.500
Explanation:
When using this method, the amount that arises from calculating depreciation in a straight line is doubled.
That is to say that the amortization will be equal to
Book value at the beginning of the year / Estimated useful life x 2 = Depreciation expense.
in these case for the first year it is
(67500-6750)/ 9 years x 2 = 13.500