Last two mystery prizes

Per this thread: http://forum.ea.com/eaforum/posts/list/10337055.page below are the probabilities for the MB. But I find it strange that so many got 10 donuts after the take-down. Programs usually "seed" the PRNG with a value that is somewhat random; like the time of day.

Rest is from that thread repeated here for y'all.

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These are the actual percentages, not rounded:
Unique items (55.4%):
Blue Haired Lawyer: 14.2%
Squeaky Voiced Teen: 14.2%
Tire Fire: 14.2%
Kearney: 6.6%
Lemon Tree: 6.2%
-
Premium, repeatable (18.2%):
Channel 6 News Van 6.6%
Itchy Scratchy Billboard: 6.6%
Lard Lad Donuts: 2%
10 Donuts: 2%
30 Donuts: 1%
-
Non-premium, repeatable (26.4%):
1979 Onda: 6.6%
Bomb Shelter: 6.6%
Minnow Pond: 6.6%
Khlav Kalash Stand: 6.6%

After have all the unique items:

Premium (48.977%):
Channel 6 News Van 12.755%
Itchy Scratchy Billboard: 12.755%
Lard Lad Donuts: 8.155%
10 Donuts: 8.155%
30 Donuts: 7.155%
Non-premium (51.022%):
1979 Onda: 12.755%
Bomb Shelter: 12.755%
Minnow Pond: 12.755%
Khlav Kalash Stand: 12.755%