$7$

$1$ point

Referring to the manometer below, $a=5\mathrm{.}4cm,b=1\mathrm{.}4cm,c=5\mathrm{.}5cm,$ and $d=14\mathrm{.}9cm.$ If the pressure at A is $200$ kPa $,$ calculate the pressure at B in kPa $.$