Janger Corporation purchased a 3D printing machine on January 1, 2021 for $432,000. The useful life of the machine was estimated at 8 years with an estimated salvage value of $72,000. Janger estimates the machine will operate 675,000 hours over its useful life. Janger used the machine for 87,500 hours in 2021, and 112,500 hours in 2022. Assume that the machine was sold on January 1, 2023 for $300,000. Assume Janger Corporation's fiscal year end is December 31. What would be the net book value of the 3D printing machine in Janger Corporation's books at December 31, 2022 assuming the company uses the double-declining depreciation method? O a. $274,500 O b. $324,000 . $243,000 O d. $342,000 Janger Corporation purchased a 3D printing machine on January 1, 2021 for $432,000. The useful life of the machine was estimated at 8 years with an estimated salvage value of $72,000. Janger estimates the machine will operate 675,000 hours over its useful life. Janger used the machine for 87,500 hours in 2021, and 112,500 hours in 2022. Assume that the machine was sold on January 1, 2023 for $300,000. Assume Janger Corporation's fiscal year end is December 31. What amount of depreciation expense would be recorded in Janger Corporation's books in relation to the 3D printing machine for fiscal year 2022 assuming the company uses the double- declining depreciation method? O a. $67,500 Ob. $90,000 Oc. $108,000 O d. $81,000