ERA Inc. bought a machine for $600,000 on Jan 1, 2018. The company expected to use this machine for the next five (5) years, when the machine would be sold for $45,000. On Jan 1, 2020, their major customer gave notification that they were terminating ERA Inc. as a supplier. ERA Inc.s accountants estimate that the machine will generate $200,000 in future cash inflows from other customers and the fair value of the machine is $180,000. ERA uses accelerated depreciation method. Hint for a), to calculate NBV, you need to calculate the dep. expenses in 2018 and 2019, then calculate the accumulative depreciation for these two years. a). Calculate the net book value of this machine on Jan 1, 2020. (8 pts) b). Is this machine impaired on Jan 1, 2020? Why? (3 pts) c). If the equipment is impaired, what is the impairment loss on Jan 1, 2020? (4 pts)