The marking scheme says there's some bonus mark $B = \min(B_{class} + B_{web}, 6)$ where $B_{class}$ and $B_{web}$ are between 0 and 4. Does this mean that additional karma beyond 4 doesn't count toward bonus marks? Or does $B_{web}$ not correspond exactly to the number of karma points you have? (I don't want to "unnecessarily" deprive other people of the opportunity to be the first to post solutions to problems.)