Answer:Depreciation for 2020 to the closest dollar is:_b. $8125
Explanation:
Straight-line depreciation rate  is given as = 1 / Useful life
1 / 8 Â = 0.1250 or 12.50%
Also the Double-declining-balance depreciation rate = 2 x  Straight-line depreciation rate  = 2  x 12.50%
Double-declining-balance depreciation rate = 25%
Given That the
Cost of Machine = $65,000
Depreciation for 2020 = Â Cost of machine x depreciation rate x period ( July - December
$65,000  x 25 % x  6/12
= $8,125