Using a gap penalty of d$=-5$ and scoring matrix as below

A C G T

A $2-7-5-7$

C $-72-7-5$

G $-5-72-7$

T $-7-5-72$

And applying dynamic programming

$1.$ to find the optimal global alignment of AATG and AGC $(15$ marks$)$

$2.$ to find the optimal local alignment of AATG and AGC $(15$ marks$)$