O'Reilly Corp. purchased a mine on January 1, 2016, for $530,000. The mine is estimated to contain 39,000 tons of iron ore. There is no residual value. The business extracted and sold 9,500 tons of ore in 2016 and 13,800 tons of ore in 2017. What is the book value of the mine at the end of 2017? (Round any intermediate calculations to two decimal places, and your final answer to the nearest dollar.)

Afirm plans to begin production of a new small appliance. the manager must decide whether to purchase the motors for the appliance from a vendor at $10 each or to produce them in-house. either of two processes could be used for in-house production; process a would have an annual fixed cost of $200,000 and a variable cost of $7 per unit, and process b would have an annual fixed cost of $175,000 and a variable cost of $8 per unit. determine the range of annual volume for which each of the alternatives would be best. (round your first answer to the nearest whole number. include the indifference value itself in this answer.)