The cost of Iphone is 60% more than that of a Android phone. If the cost of Iphone is decreased by 40% and that of Android phone is increased by 30%, then what is the percentage change in the total cost of two Iphones and three Android phones as compared to the original cost ? (Correct to one decimal place )
1
6.2%
2
5.1%
3
7.2%
4
6.1%
5
5.2%