75. Having estimated the cost of work required of each trade, a summary of the whole will express the total estimated cost of the building.

Excavation and filling........

$174.16

Stonework.............

1,314.41

Brickwork...........

791.71

Carpentry..............

1,023.10

Roofing..............

415.58

Plastering..............

700.82

Joinery..............

1,171.47

Hardware..............

343.62

Heating and ventilation...........

251.71

Plumbing and gas-fitting................

1,117.99

Painting...........

425.43

Total cost......................

$7,730.00