1. A company bought a machine for BD300,000 which has a useful life of 7 years and can be sold for BD30,000 at the end of its useful life. Determine the a. Depreciation schedules, dn b. Accumulated depreciation, Dn c. Book value, Cn using straight line method and double declining balance method. Generate the plots using Microsoft excel. 2. Repeat problem \#1 if there is an installation cost of BD20,000. 3. Repeat problem \#1 if there is a dismantling cost of BD5,000. 4. A television company purchased machinery for BD20,000 in 2019. It is estimated to have a useful life of 10 years with a scrap value of BD4000.00, production unit of 40,000 and working hours of 12,000 . The company also used this machinery to produce 4,400 units in 2020. Compute the depreciation of the machine using service output method