Step 1: Understanding the controlling process.
- (B): Project future outcomes and establish precise objectives and performance benchmarks to direct the process.
- (C): After goal establishment, assess and compare actual performance against control benchmarks to pinpoint any discrepancies.
- (D): Upon identifying a discrepancy, investigate its root causes immediately to ascertain why the objective was not met.
- (A): Following an understanding of the causes, implement remedial measures to align the situation with the established decision.
Step 2: Conclusion.
The logical sequence is:
(B), (C), (D), (A).
Final Answer:
\[
\boxed{\text{The correct answer is (1) (B), (C), (D), (A).}}
\]