A trader sells 25% of his goods at 40% profit, 40% of the remaining goods at 10% loss, and 20% of the remaining at the cost price. At what percent profit should he sell the remaining to earn a 15% profit in the whole transaction?
1
21\(\frac{1}{9}\)%
2
23\(\frac{1}{3}\)%
3
21\(\frac{1}{4}\)%
4
22\(\frac{2}{9}\)%