The table given below represents the production and sales of wheat in 4 different countries A, B, C and D over a period of 4 years. At the end of year 2010 A, B, C and D had a stock of 5200, 3500, 7835 and 1956 (in '000 quintals) of wheat respectively. For any given year, the stock of wheat is calculated as: Stock of year (n + 1) = stock at end of year (n) + production in year (n + 1) — sales in year (n + 1) And, Surplus of year (n) = production in year (n) — sales in year (n)
What can be said about total surplus of country B and country D over the 4 years?
Total production of country B over the 4 years (in '000 quintals) = 1881+2067+1328+1578 = 6854
Total sales of country B over the 4 years (in '000 quintals) = 1798+2389+2063+1239 = 7489
=> Surplus of country B (in '000 quintals) = 6854 - 7489 = -635
Total production of country D over the 4 years (in '000 quintals) = 3126+2987+2143+4126 = 12382
Total sales of country D over the 4 years (in '000 quintals) = 2417+2911+3188+3563 = 12079
=> Surplus of country D (in '000 quintals) = 12382 - 12079 = 303
Thus, Surplus of D > Surplus of B
=> Ans - (B)
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