1. const int NUMBER_OF_PARTS = 500; ... float inventory [NUMBER_OF_PARTS]; 2. enum rainbow {red, blue, green, purple}; ... void main () { rainbow color = blue; ... color = purple; } 3. void main () { union { int a; float b; char c; }; ... // Must use the variable a in the statement below // because b is float and c is char a = 223; ... }