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public QuarterEntry(DateTime dateTime)
{
Year = dateTime.Year;
switch (dateTime.Month)
{
case 1: Quarter = 1;
break;
case 2:
case 3:
case 4:
Quarter = 2;
break;
case 5:
case 6:
case 7:
Quarter = 3;
break;
case 8:
case 9:
case 10:
Quarter = 4;
break;
case 11:
case 12:
Quarter = 1;
Year++;
break;
default: break;
}
}