Step 2. Determine the output of your sprinklers. Set out 6 or more straight sided containers of. the same type, spaced evenly on the lawn. Empty tuna cans, cat food cans, or coffee mugs work well. Turn on the sprinklers for 20 minutes and use a ruler to measure (in inches) the depth of water in. each can. Now determine the average depth in all of the cans. Multiply the average depth by 3 to. determine how many inches of water your sprinkler system applies per hour.
deferment period. The period following the issue of a security during which it cannot be called by the issuer. Also called deferred call period, period of call protection, preferred call period. See also call protection.
Deferral items are adjustment and preference items that affect more than one tax year. These items cause a difference in regular taxable income and AMTI in two or more years, but do not cause a permanent difference over time. This commonly is referred to as a timing difference. All deferral items cause a timing difference between regular tax and AMT. Under AMT, the minimum tax credit is determined by taking the âAMT paidâ and deducting the âAMT computed using only the exclusionsâ.