DAD: (after returning from office) o my god.What happened ? Why their is no current.
SON:Yes dad.There is no power since afternoon.
DAD:Why the hell did they cut power frequently?
SON: ya dad. I think their should be some problem with the transform.
DAD:ya it might be.but because of this i will not be able to do my office work.
SON:even i can't study for my exam,dad.
DAD:we shall buy an invertar,but how much does it cost.
SON:dad,it costs nearly 40,000 rupees.
DAD:If it would help you we may buy it .