I expensed a large monitor, but that's about as much my company has offered to pay. I'd love to purchase a proper desk for myself while my spouse uses the other

I expensed a large monitor, but that's about as much my company has offered to pay. I'd love to purchase a proper desk for myself while my spouse uses the other desk we have, but I don't have a lot of space for it, and honestly feel my employer should foot the bill, not me.