a (120-0*50=6000
b (120-8)*60=6720
c (120-16*70=7280
d (120-32)*80=7040
e (120-40)*90=7200
f (120-48)*100=7200
g (120-56)*110=7040
h (120-64)*120=6720
a (120-0*50=6000
b (120-8)*60=6720
c (120-16*70=7280
d (120-32)*80=7040
e (120-40)*90=7200
f (120-48)*100=7200
g (120-56)*110=7040
h (120-64)*120=6720