Kansas Enterprises purchased equipment for $74,000 on January 1, 2021. The equipment is expected to have a ten-year service life, with a residual value of $6,300 at the end of ten years. Using the straight-line method, the book value at December 31, 2021, would be: Multiple Choice $67,230. 0 $67,700. 0 $66,600. 0 $60,930