ABC Corporation purchased a machine on January 1, 2017, for $55,000. Before the machine was utilized in a productive capacity, it was needed to build a support in value of $7,000 to accommodate the machine. For security reasons, a 5-years insurance policy was purchased for the machine in value of $5,000.

Depreciation on the machine was recorded at the end of each year. The depreciation rate is $6,200 per year. On February 1, 2020, the machine was sold for $45,000.

What is the book value of machine at December 31, 2018?

41.400

49.600

36.400

43.400