Answer:
the maximum depreciation expense for year 4 = $2,498
Step-by-step explanation:
depreciation per year using MACRS 7 year class, half year convention
year depreciation % purchase cost total depreciation
1 14.29% $20,000 $2,858
2 24.49% $20,000 $4,898
3 17.49% $20,000 $3,498
4 12.49% $20,000 $2,498
5 8.93% $20,000 $1,786
6 8.92% $20,000 $1,784
7 8.93% $20,000 $1,786
8 4.46% $20,000 $892