Plant, Property & Equipment (LLS 8) Altuve Inc. purchased a machine at the beginning of 2018 for $80,000. Altuve incurred $1,000 in delivery charges and $2,000 in installation charges. Altuve estimates that the machine will last 3 years or can be used to produce 90,000 units of production. Altuve expects the residual value to be $10,000. Required: Depreciation Expense 2019 2018 2020 In 2018, 2019, and 2020, Altuve produced 38,000 units, 32,000 units, and 30,000 units respectively. Determine the depreciation expense for 2018, 2019, and 2020, assuming (a) the Straight Line Method; (b) the Usage Method; and, (c) Double Declining Method. Be sure to show your work. Be sure to show your work below and place your answers in the box to the right. Note, no credit will be awarded without you showing your work. S/L Usage DDB