/// <summary>
/// Produces the item names to rates for the Judgement Deductions (e.g. alimony paid-out)
/// </summary>
/// <param name="options"></param>
/// <returns></returns>
protected internal Dictionary <string, double> GetJudgmentDeductionName2RandomRates(AmericanDomusOpesOptions options)
{
options = options ?? AmericanDomusOpesOptions.RandomOpesOptions();
const string CHILD_SUPPORT = "Child Support";
const string ALIMONY = "Alimony";
var pay = GetPay(options);
if (options.IsPayingChildSupport &&
!options.AnyGivenDirectlyOfNameAndGroup(CHILD_SUPPORT, DeductionGroupNames.JUDGMENTS))
{
var adjPay = AmericanEquations.GetInflationAdjustedAmount(pay, 2015, options.Inception);
var adjMonthlyPay = adjPay / 12;
var childSupportEquation =
AmericanEquations.GetChildSupportMonthlyCostEquation(options.GetChildrenAges().Count);
var childSupport = Math.Round(childSupportEquation.SolveForY(adjMonthlyPay), 2);
//need to turn this back into annual amount
childSupport = childSupport * 12;
options.AddGivenDirectly(CHILD_SUPPORT, DeductionGroupNames.JUDGMENTS, childSupport);
}
if (options.IsPayingSpousalSupport &&
!options.AnyGivenDirectlyOfNameAndGroup(ALIMONY, DeductionGroupNames.JUDGMENTS))
{
//this is technically computed as 0.25 * (diff in spousal income)
var randRate = Etx.RandomDouble(0.01, 0.25);
var spouseSupport = Math.Round(randRate * pay, 2);
options.AddGivenDirectly(ALIMONY, DeductionGroupNames.JUDGMENTS, spouseSupport);
}
var d = GetItemNames2Portions(DeductionGroupNames.JUDGMENTS, options);
return(d.ToDictionary(t => t.Item1, t => t.Item2));
}
public void TestGetChildSupportMonthlyCostEquation()
{
for (var i = 1; i <= 5; i++)
{
var prev = 0.0D;
for (var j = 2000; j < 55000; j += 500)
{
var t = AmericanEquations.GetChildSupportMonthlyCostEquation(i);
var current = t.SolveForY(j);
//assert it never goes down as income goes up
if (current < prev)
{
Console.WriteLine($"i {i}, j {j}, current {current}, prev {prev}");
}
Assert.IsTrue(current >= prev);
prev = current;
}
}
}
