Given below are two statement. one labelled as Assertion (A) and other as Reason (R):
Assertion (A): Cost accounting is complementary to financial accounting.
Reason (R): The result of cost accounting are not trustworthy.
Choose the correct answer

A. Both (A) and (R) are true and (R) is correct explanation of (A)

B. Both (A) and (R) are true but (R) is not the correct explanation of (R)

C. (A) is true but (R) is false

D. (A) is false but (R) is true

Answer: Option C