On January 1, 2021, Aquaman's Tridents Co, purchased a trident-producing machine for $330. It was expected to be sold for $75 at the end of its useful life. It was expected to be used for a total of 50 machine hours over its useful life and was used to produce tridents for 40 hours during the year ended December 31, 2021. The depreciation expense for 2021 using the units-of-production method will be (enter dollar amount) Harley Quinn Co. in its first year of operation wrote off accounts receivable of $850 and did not have any recovery. At the end of the year, management estimated that 2% of accounts receivable was doubtful. At that time accounts receivable was $6,500. Based on the above, the bad debts expense recorded by the company for the year would be (enter dollar amount) Poison Ivy Inc. has just purchased land and a building for a combined total price of $1,900. Of this, 30% relates to the building. The lawn was then weeded for $3 and driveways were poured costing $85. After accounting for the above, the value of land account will be (enter dollar amount), and the value of the building account will be (enter dollar amount)