Regarding the formal diet, you need to be on the exclusion diet for 8 weeks before attempting to reintroduce foods. This takes about one year to do properly. You will still experience unexplained flare ups. I would not suggest attempting the fodmap diet in the UK without speaking to a nutritionist first. You will need a go referral.
The AMT is the excess of the tentative minimum tax over the regular tax. Thus, the AMT is owed only if the tentative minimum tax is greater than the regular tax. The tentative minimum tax is figured separately from the regular tax. In general, compute the tentative minimum tax by:
You may have to pay the AMT if your taxable income for regular tax purposes, combined with certain adjustment and tax preference items (including interest on certain private activity bonds), is more than the following exemption amounts below: 1  $69,950 if you are married filing a joint return or a qualified widow(er),