Problem #2: You are a contractor assigned to estimate the cost of this development. After completing the quantity takeoff of the given materials, you have compiled the following list of materials, quantities, as well as cost estimates based on quoted values or ranges and and productivity rates based on your most recent jobs. Estimate the following for each material: a) Hours of time spent on each material; b) Cost of each material quantity (e.g., total cost for each material); and c) Total cost per unit if your crews total hourly billing rate (including all overhead) is $170/hour; and d) Cost per unit of each material quantity including both estimated labor and material costs for each material.

Material	Material		Notes	Quantity	Unit	Cost	Productivity Rate
						[$/unit]	[Unit/hour]
A	Masonry		8"	1200	sf	$ 2.39	45
B			10"	600	sf	$ 2.50	38
C	Finish			1800	sf	$ 0.50	40
D	Installation		loose-fill	24	cyd	$ 1.08	4.5
E			rigid	30	cyd	$ 1.40	3.5
F	Concrete			15	cyd	$ 105.00	12
G	Rebar		<#5	100	lb	$ 1.06	65
H			#5-#6	120	lb	$ 1.12	60
I			>#6	90	lb	$ 1.17	55
J	Fill		rock	20	cyd	$ 32.00	14
K	Plywood			1300	sf	$ 1.09	100
L	Moisture barrier			1800	sf	$ 0.11	60
M	Studs			150	bf	$ 42.50	120
N	Light fixtures			30	each	$ 38.00	2.5
O	Doors			15	each	$ 90.00	1.2
P	Windows			25	each	$ 65.00	1.4
	Notes:
	`	Cyd: cubic yard; lb: pounds; sf: square feet; bf: board feet