o'keith company purchased a mine on january 1, 2018, for $ 522 comma 000. the mine is estimated to contain 40 comma 000 tons of iron ore. there is no residual value. the business extracted and sold 15 comma 500 tons of ore in 2018 and 19 comma 800 tons of ore in 2019. what is the book value of the mine at the end of 2019? (round any intermediate calculations to two decimal places, and your final answer to the nearest dollar.)