Depreciation expense in $2022$ related to the above assets was $$485.$ Capital expenditures, PP&E acquisitions, less any asset impairments totaled $$825,$ and gains on the disposal of PP&E totaled $$15.$

$1.$ What is the average useful life of the Company's PP&E $($exclude

land, assume zero salvage value and straight$-$line depreciation$)?$

$2.$What is the average age of the Company'sProperty, Plant and Equipment