From the above, the Growth Rate of Total National Output or GDP is

• A.6.45%, i.e (25 x 2 + 10 x 5 + 50 x 10 + 15 x 3)/ 100%
• B.20.0%, i.e. (2 + 5 + 10 +3)%
• C.2.95%, i.e (60 x 2 + 10 x 5 + 5 x 10 + 25 x 3)/ 100%
• D.5.0%, i.e,(2 +5 + 10 + 3)/ 4%
• E.not obtainable