It is reasonable due to the Occam Razor. The fact that you mentioned is an extremely weak evidence in the light of very thin margins Walmart has (under 3%), wh

It is reasonable due to the Occam Razor. The fact that you mentioned is an extremely weak evidence in the light of very thin margins Walmart has (under 3%), which is more than 10 times less than the old store tax, with probably even smaller incentive to combat.