A budget is a plan "that" estimates how much "money" will be spent, "what" it will be spent on, and how much money "is" left over. "No error."
A budget is a plan "that" estimates how much "money" will be spent, "what" it will be spent on, and how much money "is" left over. "No error." Correct Answer is
‘is’ should be replaced by ‘will be’.