(+下2)+(-下4)+(-k2)+(-27)
(+42)+(-44)+(-4f)+(-2j)
=42-44-4f-2j
=(42-2j)-(44+4f)
=-44-j0
=-84.
The service shop ______ him 30 Yuan for repairing his TV set.
A.asked
B.paid
C.owed
D.charged