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Activity

Predecessor

Time $($W$)$

$1$

Design house and obtain financing

$-$

$3$

$2$

Lay foundation

$1$

$2$

$3$

Order and receive material

$1$

$1$

$4$

Build house

$2,3$

$3$

$5$

Select paint

$2,3$

$1$

$6$

Select carpet

$5$

$1$

$7$

Finish work

$4,6$

$1$