On January 1, Year 1, Ballard company purchased a machine for $28,000. On January 1. Year 2. the company spent $7,000 to Improve its quality. The machine had a $2,800 salvage value and a 6 year life, which are unchanged. Ballard uses the straight-line method. What is the book value of the machine on December 31, Year 4? Multiple Choice 55,600 $1,200 14 OOO