Chemical plant build-out, from Production Systems Handbook.

DTREE data:

D   1    2          Larg  Build large plant now
D   1    3          Smal   Build small plant now
E   2    4  0.6000  HiHi   High sales for 10 years
E   2    5  0.1000  HiLo   High sales for two, then low
E   2    6  0.3000  LoLo   Low sales for 10 years
E   3    7  0.7000  Hi2y   High sales first two years
E   3    8  0.3000  LowS   Low sales for 10 years
D   7    9          Xyr2  Expand small plant year 2
D   7   12          SmSm   Stay small after year 2
E   9   10  0.8600  High  sales continue after year 2
E   9   11  0.1400   Low  sales after year 2
P   4 7
P   5 -0.2
P   6 -2
P   8 2.7
P  10 3
P  11 -2.2
P  12 2