Correct answer: A
Explanation
Sales of magazines = 390,000
% of magazine sales by Northern region = 28% 28% of the total sale of mag = 390,000
Total mag sale by all region = 390,000/0.28 = 1,392,857.1
% of mag sale by Southern region = 35% South region mag sale = 0.35 x 1,392,857.1 = 487,500
Alternatively, because of time South region mag sale
= (% of mag. sales by South region / % of mag sales by North region) x value of North region mag.
sale
= 35/28 x 390,000
= 487,500