Calculation Task#3

[krapivani]

Store the budget in a file.

[krapivani]

Task Test:

1) Navaigate to Budget page and enter some amount for balance. 2) Navigate to spending history page and enter some amount. 3) Click remaining balance button and get the remaining balance which will be our new balance. 4) Again enter some spent expense and see if the remaning balance = new balance - spent expense.