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There are 3 types of expenditure in a ca...

There are 3 types of expenditure in a car . 1st raw material ,2nd labour expenditure , 3rd is extra expenditure .The ratio of these expenditure are `4:3:2` .If 1st expenditure is increased by `10%` ,2nd is increased by `8%` and 3rd is decreased by `5%` Find the percentage change in price of car .

A

`4%`

B

`2%`

C

`5%`

D

`6%`

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