The following table shows the imports and exports (in Rs.crore) of a country over 4 years (2016 to 2019).  Years  2016   2017   2018   2019   Imports  125 145 165 188  Exports 130 150 175 200 The average trade balance (in Rs.crores) is:

8 12 6 4

8

Total trade balance = ( 130 - 125 ) + ( 150 - 145 ) + ( 175 - 165 ) + ( 200 - 188 ) = 5 + 5 + 10 + 12 = 32 Average = \(\frac{32}{4}\) = 8