During 2019, Bethesda company purchased a mine at a cost of $3,000,000. The company spent an additional $600,000 getting the mine ready for its intended use. It is estimated that 300,000 tons of mineral can be removed from the mine and the residual value of the mine will be $600,000. During 2019, 45,000 tons of mineral were removed from the mine and 35,000 tons were sold. Required: At the end of 2019, what is the net book value of the mine on Bethesda's balance sheet

You work as the sales manager for a company that sells office supplies to businesses of all sizes. because the profit margins are razor-thin, you need to ensure that you are getting the very best prices on paper, pencils, pens, post-it notes, and other office supplies from the manufacturers. when reviewing the quarterly profit statement, you realize that your costs are higher than they should be, and you trace the higher costs back to an employee who has been lax about getting competitive bids to ensure the lowest prices. when you conduct your research to determine the reason for the higher costs, and take action to bring those costs back down, in which of the key management processes are you taking part?