Two couples act on the frame. $($Figure $1)$

If $d=6\mathrm{.}2ft,$ determine the resultant couple moment either by summing the moments of the two couples or resolving each force into $x$ and $y$ components and then

summing the moments about $B$ of all the force components.

Express your answer in pound$-$feet to three significant figures. Assume the positive direction is counterclockwise.

$M_R=$

$lb*ft$

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