Which statement is true and 1. is when 2. 3. is on 4. is about estimating forecasting the Portfolio Backlog? Refinement necessary estimating the effort needed to implement an epic. Feature estimates...

Which statement

is
true
and
1.
is
when
2.
3.
is
on
4.

is

about estimating

forecasting the Portfolio Backlog?

Refinement

necessary

estimating the effort needed to implement an epic.

Feature estimates are rolled up into Epic estimates.

Epic forecasting

based

the cost estimate.
WSJF

used to assign Epics to Value Streams.