How would I explain below budget in presentation. All the Budget 1 house budget is $130,884.91 and below are the costs

BUDGET 1 house $130,884.91 Phased Construction 1.0 Preliminary & General $ 11,000.00 2.0 Demolition Works $ 3,753.00 3.0 Excavation $ 560.00 4.0 Concrete works $ 2,381.90 5.0 Reinforcement $ 4,027.36 6.0 Carpentry Works $ 44, 140.72 7.0 Roofer & Drainage $ 4,955.40 8.0 Plumbing Works $ 1,855.50 9.0 Door & Windows tA 5,309.00 10.0 Painter & Floor finish $ 14,217.40 11.0 Joinery $ 3,000.00 12.0 Electrical $ 5,160.00 13.0 Metal works $ 4,340.00 14.0 Mechanical Services $ 6,200.00 15.0 Fire Services $ 16.0 1,050.00 Labor Costs $ 7,036.00 $1 18,986.28 Contigency sum 10%