(c) Global sales of brand C in 2012 = 112% of 47000 = 52640
Volume of sales in USA in 2011 =18% of 47000 = 8460
Volume of sales in USA in 2012 = 134% of 8460 = 11336.4
Volume of sales of China in 2011 =21% of 47000 = 9870
Volume of sales of China in 2012 = 122% of 9870 = 12041.4
Volume of sales in rest of the countries in 2011
= 47000 - (8460 + 9870) = 47000 -18330 = 28670 units
Volume of sales of rest of the countries in 2012
= 52640-(11336.4+ 12041.4)
= 52640 - 23377.8
= 29262.2 units
Therefore, required percentage sales increase in rest ofthe countries
=
× 100%
=
× 100% = 2%