A man sells two articles for Rs3420. The cost price of the second is equal to the selling price of the first. If the first is sold at 12.5% gain and the second at 10% loss, what is his total gain or loss (in rupees)?(INFOTECH COMPANY)

A man sells two articles for Rs3420. The cost price of the second is e

1.	A man sells two articles for Rs3420. The cost price of the second is equal to the selling price of the first. If the first is sold at 12.5% gain and the second at 10% loss, what is his total gain or loss (in rupees)?(INFOTECH COMPANY)
A.	20, gain
B.	90, loss
C.	10, loss
D.	30, gain
Answer» D. 30, gain