Question:
When there is an increase of 30% in the price of TV sets and decrease of 20% in the number of sets sold, then what is the percentage effect on total sales?
A4% loss
B8% loss
C4% gain
D8% gain
Answer:
C. 4% gain
Explanation:
[ x-y - (xy/100)% ] = 30 - 20 - (30 x 20) / 100 % =10-6=4% gain