Which of the following statements, about forecast modeling, is incorrect?

Select one:

For larger models it is essential to have the assumptions close to the output which they drive

Multi tab models are helpful for larger models but cross sheet formulas are more memory intensive

Having all assumptions in one block is very user friendly, especially when the user is unfamiliar with the model detail

Negative presentation of expenses or outflows, generally makes it much easier to check the work, especially in printed form