The adder$-$subtractor circuit has the following values for mode input $M$ and data inputs A and $8.$ In each case, $($a$)$ and $($b$),$ determine the values of the four SUM outputs, the carry C$,$ and overflow V$.(20\%)$

M A

B

$($a$)0,0111,0110$

$($b$)1,1100,1000$