A through ticket is priced as follows:
(I am assuming a return ticket; singles are only £3.05 less overall)
SVR - OFF-PEAK R CC
00700 - NOT LONDON
1 Adult @£ 31.40 = £ 31.40
1 Child @£ 9.05 = £ 9.05
__________
£ 40.45
Standard Class Return
As this is priced by the awful Cross Country, who have a policy of charging excessively high prices, it should be possible to reduce this!
Are you returning? If so, when?
When can you leave, and when must you arrive by? If you don't mind a slower journey, alternatives may be possible...