Walmart offers the Furinno Efficient Computer Desk in Espresso/Black for $19.85. Choose in-store pickup to cut the price to $18.78 $16.97. Excluding the below mentions, that's the lowest price we could find now by $4, although we saw it for a buck less two weeks ago. It measures 39.6" x 15.6" x 33.6".

A couple of close prices: Amazon has it for $19.42 $17.32 with free shipping for Prime members, and Home Depot charges $20 with free shipping.