I seem to be overthinking this question. Can you please help me with the following journal entry?

Sold obsolete store equipment for $630 Cash, The equipment originally cost $2105 and depreciation to March 31 of this year (the end of the first quarter) totals $1200. The asset depreciates on a straight-line basis at the rate of $40 per month and depreciation is calculated to the nearest month (two entries required).