Answer:
The correct answer is:
(a) -7783
(b) 6800
(c) -983
Step-by-step explanation:
According to the given values in the question:
(a)
The price variance will be:
=

=

=
(Favorable)
(b)
The quantity variance will be:
=

=

=

=
(Unfavorable)
(c)
The cost variance will be:
=

=

=
(Favorable)