epletion: Calculating and Journalizing 1. Calculate the amount of depletion expense for both years. 2. Prepare general journal entries for depletion expense. If an amount box does not require an entry, leave it blank. ineral Works Co. acquired a salt mine at a cost of $1,700,000. The estimated number of units available for production from the mine is 3,400,000 tons. a. During the first year, 200,000 tons are mined and sold. b. During the second year, 600,000 tons are mined and sold