The main focus and scope of the best approach tells you the various optimization techniques that can be applied at the _____level. a) Planning b) Source code c) Testing d) DocumentationClear Selection0. Does the cost of optimizing a program change with every phase of SDLC? How? a) Yes, Increases b) Yes, decreases c) Yes, divides d) Does not change

3.Data that is not currently needed by the processor reside in a) Main memory b) Auxiliary memory c) Secondary memory d) None of the above