suppose i'm changing the the percentage for interest from 3% to 2.5% ,wat will be in test case.(i know that previous file be there),but will be the input and wat will be the output.every interview i'm facing the same problem any one plz clear my doubt.(i said in my interview that 2.5 %).plz any one give me an clear idea with example wat will be the input we have to give with some example.
