The economics of the restaurant business are strange and confusing. But Dave writes that he couldn’t help but find this deal at Ruby Tuesday amusing. You can have a nice salad bar lunch for $7.99…or some mini sandwiches or burgers and fries along with salad bar access for $7.99. After 3 p.m., the price for the salad bar goes up fifty cents…but the price of the sandwiches does not. [More]