The following problems were found:

• You cannot add "K120 Wired Keyboard for Windows, Plug and Play, Full-Size, Spill-Resistant, Curved Space Bar, Compatible with PC, Laptop - Black" to the cart because the product is out of stock.
• You cannot add "Twin Mattress,10 Inch Twin Size Mattress in a Box,Gel Memory Foam and Innerspring Hybrid Mattress with Individual Pocket Spring for Motion Isolation,Pressure Relief,Medium Firm Feel" to the cart because the product is out of stock.