Answer:
He will not pay any depreciation during October.
Explanation:
Depreciation is charged only on building equipment and machinery. It is not accounted for land as land is an asset whose value does not depreciate over the years.
Depreciation for Building A would be zero for the month of october as depreciation is computed from the first of the month of acquisition to the first of the month of disposition.
The depreciation expense will be computed on 1st of November.