Given a system has the following parameters, VP of $0\mathrm{.}5"$ W$.$C$.$ and a SP $3"$ W$.$C$.$ and $2000$ CFM$.$ What is the AHP required by the fan? $($Select the closest answer$)$

Question $4$ options:

$1)$

$\mathrm{.}77$ AHP

$2)$

$0\mathrm{.}94$ AHP

$3)$

$1\mathrm{.}1$ AHP

$4)$

$7000$ AHP