Assertion: Usage of computers and Information Technology (IT) enables a business to quickly, accurately and timely access the information that helps in decision-making.
Reason: Use of computers sharpens the competitive edge and enhances profitability of a business.

Both Assertion (A) and reasoning (R) are correct and but R is not the correct explanation of A.

In modern business accounting transactions are processed through computers. Usage of computers and Information Technology (IT) enables a business to quickly, accurately and timely access the information that helps in decision-making. This sharpens the competitive edge and enhances profitability.