The worst-kept secret of the latest Budget has been formally revealed; GST is being increased to 15% on October 1. TVNZ has it right: Commentators say retailers who don't have the benefit of experience of the previous hike in 1989, don't know what they're in for, and need to start preparing ASAP, because the IRD won't be forgiving of companies who underpay because they were underprepared for the change in only four months time. If you’re using the Site Foundation Framework, you’re sorted already: The result is that we’re...