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      Foundation - $100
30 units of stone at $100 per unit.
Goal: $3,000
Structure - $5
600 units of lumber at $5 per unit.
Goal: $3,000
Building Blocks - $9.50
150 units of blocks at $9.50 per unit.
Goal: $1,425
Roofing - $12.50
275 sheets of roofing at $12.50 per sheet.
Goal: $3,437.50