BTX Question

Louise89

Just not getting this question...

Practice CBT 1
Q 1.3

Harry & Vi are in a partnership. Accounting Y/E 31/Oct

31/Oct/08 7560
31/Oct/09 9000
31/Oct/10 9480
31/Oct/11 4920

In December 2009 Vi left the partnership.

1 January 2010 Russell joined.

Throughout all periods the profits are shared equally.

Profit assessable for;

Vi 09/10 5290
Harry 09/10 4500
Russell 09/10 1185
Russell 10/11 4360
Russell 11/12 2460

Russells overlap profits 1595

Could anyone show me how to get to these figures? My calcs are slightly out