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: yearly demand 1 (in 000s) 2 (in 000s) 3 (in 000s) 4 (in 000s) plastic 90 32 42 57 54 plastic 180 13 15 18 14 plastic 360 51 57 67 65 bronze 90 6 9 8 15 bronze 180 4 4 6 11 bronze 360 11 12 17 19