Also $2200 is on the high end for four people. You can probably talk them down to $2k or less.
You'd be surprised how valuable it is to have a pot of coffee ready to go all the time, next to a mini fridge that's always stocked with half and half. Sweetner's on the counter. It ends up taking like 30 seconds to grab coffee.
The janitors are surprisingly cool people, and they're fastidious about making sure the trash is taken out, doing the dishes (yes, you get a kitchen + fridge!), and making sure everything is stocked.
It's so effective to pool resources like that. Everyone gets those benefits just by being in the same place. And it's remarkable how un-cramped it all feels. Your office even has beautiful floor to ceiling windows that gives you a nice view of downtown and sunsets.