Firm X purchased a piece of equipment exactly 5 years ago. The piece of equipment had a purchase price of $ 8,146,660, a salvage value of $ 253,985, and an estimated useful life of 25 years. What is the current book value of this piece of equipment owned by Firm X? (Round your answer to the nearest whole dollar and record without a dollar sign or a comma. For example, record $34,253.85431 as 34254). Your