How much does this cost to the nearest dollar?

HP 2021 Newest ProBook 445 G8 14 FHD (1920 x 1080) Business Laptop (AMD Hexa-Core Ryzen (Beats 16GB RAM, 256GB PCIe SSD) Backlit, Type-C, Webcam, Win10 Pro, IST HDMI Cable…
▌Please Read Before you purchase ▌This laptop is upgraded from a brand new base model. The manufacturer box is opened and resealed to install the parts to achieve the specifications as advertised. One-year warranty for upgraded RAM / SSD from Issaquah Highlands Tech. One-year original warranty for remaining components from HP. 16GB DDR4 RAM, 256GB M.2 SSD AMD Ryzen 5 5600U Processors to 4.2GHz Max Boost, 6

Price is $639.00

Price: $639