Consider the following statementsAssertion (A) : Mohammad-bin-Tughlaq's scheme of token currency was a failure.Reason (R) : Mohammad-bin-Tughlaq had no proper control over the issuance of coins.Select the correct answer using the code given below Codes

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not a Correct explanation of A
• C. A is true but R is false
• D. A is false but R is true