Consider the tree diagram.

$1$

$4$

$1$

$2$

$1$

$4$

$0\mathrm{.}60\mathrm{.}40\mathrm{.}50\mathrm{.}50\mathrm{.}30\mathrm{.}7$

Which path number represents

P$($D$|$A$3)?$