AlwaysRain Irrigation, Inc. would like to determine capacity requirements for the next four years. Currently, two production lines are in place for making bronze and plastic sprinklers. Three types of sprinklers are available in both bronze and plastic: 90-degree nozzle sprinklers, 180-degree nozzle sprinklers, and 360-degree nozzle sprinklers. Management has forecast demand for the next four years as follows:

MAJOR SUBPROJECTS/ACTIVITIES ACTIVITY IDENTIFICATION DEPENDENCY DURATION (WEEKS) Product Specifications (P) Market research P1 2 Overall product specifications P2 P1 4 Hardware P3 P2 5 Software P4 P3 5 Supplier specifications (5) Hardware 51 P4 5 Software 52 P4 6 Product design (D) Battery BI 51 1 Display D2 51 5 Camera D3 51 1 Outer cover D4 D1, D2, D3 4 Product integration (I) Hardware 11 D4 3 User interface 12 D2 3 Software coding I3 12 5 Prototype testing I4 11, I3 5 Subcontracting (V) Suppliers selection V1 51 .52 10 Contract negotiation V2 I4, V1 5 ' Activity Earliest Start Time Earliest Finish Time Latest Start Time Latest Finish Time P1 P2 P3 P4 S1 S2 D1 D2 D3 D4 11 12 13 14 V1 V2