Identify the correct sequence$-$

$($i$)$ Identify factors such as demand, price, and exchange rate, whose fluctuation will be considered over the next T periods.

$($ii$)$ Determine what distribution to use to model the uncertainty.

$($iii$)$ Identify the duration of each period $($month$,$ quarter, etc.$)$ and the number of periods T over the which the decision is to be evaluated.

$($iv$)$ Identify the periodic discount rate k for each period.

$($v$)$ Represent the decision tree with defined states in each period, as well as the transition probabilities between states in successive periods.

$($vi$)$ Working back to period $0,$ identifying the optimal decision and the expected cash flows $($discounted at rate k$)$ at each step.

$($i$),($ii$),($iii$),($iv$),($v$),($vi$)$

$($iv$),($i$),($iii$),($ii$),($v$),($vi$)$

$($iii$),($iv$),($i$),($ii$),($v$),($vi$)$

$($iii$),($i$),($ii$),($iv$),($v$),($vi$)$