Sounds pretty high, doesn't it? But without knowing if they just spun out the three plugs and screwed in the new ones or had one or more twist off, we can't really say. If the cylinder head had to come off so a glowplug could be drilled out and the hole tapped, 1200 may not be so very high. Pickup and delivery can add substantially to a modest work order, too. Obviously, jjc wsn't happy. But we can't judge based on what we know.