Calculate the moment $($MO$,$ MB$,$ and MC$)$ of the $550-$lb force about the points O$,$ B$,$ and C$.$

Moment MO

$1.1359$

$2.1429$

$3.1103$

$4.1255$

Moment MB

$1.0.$

$2.100\mathrm{.}0$

$3.145\mathrm{.}0$

$4.250\mathrm{.}0$

Moment MC

$1.357\mathrm{.}0$

$2.265\mathrm{.}0$

$3.0.$

$4.206\mathrm{.}0$

Determine total moment MA of the forces F$1$ and F$2$ about the point A$.$

Moment MA

$1.15\mathrm{.}7$

$2.16\mathrm{.}5$

$3.18\mathrm{.}6$

$417\mathrm{.}4$