It can't do that. The sole purpose of dimensions is to prevent issues :-)
This is correct - for parcels over 1kg.
I'll not comment on which is the "more accurate" figure until I know what the input data is/was in both cases.
Are we still referring to the parcel that exceeded the maximum dimensions and was constrained to 105cm? If so, then the higher cubed rate will probably be correct if verified with the online postage calculator using the same dimensions.
Sorry if I appear to be a little confused, but I'm a little confused as to what you need to sort out, other than doing everyone a favour and creating bulk packs of items (where suitable) and then relying on 'normal human behavior' which 'limits' the number of items purchased in any given store at any one time to no more than a handful of products anyway, which aren't likely to exceed the practical limits. Also bearing in mind that no matter how good the code is to divide/split/limit there is still nothing to prevent someone from adding more and more different things that sooner or later you'd need several trucks to ship. (ok, an exagerration).
Seriously though, If you think that you have identified a problem that is *likely* to occur during the normal course of business I'm more than willing to see what, if anything, I can do about it - But if the problem is due to somewhat unrealistic scenarious (such as bulk sales where bulk packs are not offerered) or expecting someone to purchase 100 different items in one sitting then there really isn't anything more that I can do or say, other than agree that it could be a problem, but one we need to learn to live with.
Cheers
Rod
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