Final answer:
The total cost of purchasing, operating, dismantling, and removing the depot is 2) $637,290.
Step-by-step explanation:
The total cost of purchasing, operating, dismantling, and removing the depot can be calculated by summing up the initial purchase cost, the operating costs over the useful life, and the dismantle and removal cost at the end. The initial purchase cost is $565,300.
Assuming no other costs are involved during the operating period, the operating costs are zero. At the end of the depot's useful life, the dismantle and removal cost is $71,990. Therefore, the total cost is $565,300 + $0 + $71,990 = $637,290.