Given below are two statements, one labelled as Assertion A and the other labelled as Reason R.Assertion A: Kosygin's reform also known as Libermen's reform for economic development and planning between 1965-71 in the USSR. It introduced capitalist method of management, economic independence of enterprises and use of material incentives.Reason R: This was done due to the complexity of economic relations, reduced efficacy of economic planning and growth, stagnation and unemployment within the USSR.Codes:

• A. Both A and R are true, but R is not the correct explanation of A.
• B. Both A and R are true, butR is the correct explanation of(A).
• C. A is true, but R is false.
• D. A is false, but R is true.