BB Limited makes three componerits: S, T and U. The following costs have been recorded:

Component

Component

Component

S

T

U

UNIT COST

UNIT COST

UNIT COST

(£)

(£)

(£)

Variable cost

2.50

8.00

5.00

Fixed cost

2.00

8.30

3.75

Total cost

4.50

16.30

8.75

Another company has offered to supply the components to BB Limited at the following prices:

Component

Component

Component

S

T

U

Price each

£4

£7

£5.50

Which component(s), if any, should BB Limited consider buying in?

(a) Buy in all three components.

(b) Do not buy any.

(c) Buy in S and U.

(d) Buy in T only.