An electrician estimates three bundles (approximately 300 feet) of 1/2-inch conduit are needed to wire a house. Each bundle costs $82.00, or $0.82 per foot. The amounts used are as follows: living room, 42 feet; dining room, 38 feet; kitchen, 115 feet; bedroom A, 24 feet; bedroom B, 39 feet; and bathroom, 12 feet. The electrician's estimate of the cost is how much over or under the cost of the job