1)
It already said above (4:7) that they supplied the king's needs!
1.
Radak: Just like it mentioned the horses, it mentioned that they gave the food for the horses, and added also everything brought to the king's table.
2)
To what extent was nothing missing?
1.
Rashi, from Devarim Rabah 1:4: He had even summer Peros in winter.
2.
Radak, based on Targum Yonasan: No [Netziv] refrained from bringing in his month.
3.
Malbim: They brought everything needed for the king's table, and the horses, and whatever the king needed, wherever he was.
