please quickly

General Question 7 Jive Co. is a manufacturing company, and the accountant has received an order to retire a machine, the machine was purchased on 1/6/2017 for 1,120,000 J.D, and upon the purchase of the machine it was estimated that the machine would have a residual value at the end of its useful life of 60,000 J.D and that the machine would produce 8,000,000 units during its life, in 2017 the machine produced 500,000 units, in 2018 the machine produced 2,000,000 units and in 2019 the machine produced 800,000 units, the order to dispose of the machine came at the beginning of 2020, find: 1. The Depreciation rate per unit of product (1 point) 2.the Book value at the beginning of 2020 (2 point) 3.the entry needed upon retirement of the machine (2 points)