Marble Company purchased equipment on January 1, 2020 for $9…

Marble Company purchased equipment on January 1, 2020 for $90,000. The residual value is estimated to be $10,000, and the company plans to use the equipment for five years. Using straight-line depreciation, calculate the net book value of the equipment on December 31, 2020 after depreciation has been recorded.

Aspen Company purchased machinery on June 15 for cash.  The…

Aspen Company purchased machinery on June 15 for cash.  The purchase price was $50,000, sales tax was $5,000, freight costs were $1,000, and installation costs were $3,000. The installation included cost of $500 to repair the equipment which was damaged during installation. What would be the effect of the transaction on the accounting equation?