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:
Individual tax rates. 1  The maximum rate for individuals is 12.3%. 2  The AMT rate for individuals is 7%. 3  The Mental Health Services Tax Rate is 1% for taxable income in excess of $1,000,000. The maximum rate for individuals is 12.3%. 2  The AMT rate for individuals is 7%. 3  The Mental Health Services Tax Rate is 1% for taxable income in excess of $1,000,000.