A company buys equipment on 1/1/2011 for $50,000. The equipment is expected to last 10 years and have a residual value of $5,000. The company calculates monthly depreciation expense and rounds the amount to the nearest dollar. This is the amount of depreciation expense that is recorded each month until the last depreciation entry, at which point they record the remaining depreciation. What amount of depreciation expense will they record each month?