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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

Lets take the orignal price as 100.
Then on decreasing the price by 30% we get= 70.
Now the sale is increased by 20%=84
(20% of 70 or 20/100×70= 14 now 70+14=84)
So we can say that
Cp=100 and Sp=84
Thats loss as cp is bigger.
Loss=16
Loss%=16/100×100 =16%
So the ans is D. 16% decrease

Option c 16%increase. Let price be 100, then after discount it will be 70. Let total units sold be x(without discount.) then total revenue generated = 100x. when discount given then total units sold is 20% more = 70*120x/100 hence(( 100x - 70*120x/100) / 100x ) * 100 = 16%