$80\%$ Estimate $($days$)$ Max. duration $($days$)$

A $1722$

D $1415$

E $710$

F $911$

H $1418$

$$ For the above data for critical path with the precedence A$-$D$-$E$-$F$-$H$,$ the recommended project duration for $90\%$ confidence level using USM is$?$ How many days?