void _ShowItemQuota()
{
    this.Text = "Item Quota";
    ShowItemQuota(new List<ItemQuotaSeries>() 
    { 
        new ItemQuotaSeries{Used = 123, Quota = 1234, Name = "Type 1"},
        new ItemQuotaSeries{Used = 123, Quota  = 2345, Name="Type 2"},
        new ItemQuotaSeries{Used = 234, Quota = 1234, Name="Type Three"},
        new ItemQuotaSeries{Used = 123, Quota = 1234, Name = "Type 4"},
        new ItemQuotaSeries{Used = 123, Quota  = 125, Name="Type 5"},

void _ShowItemForecast()
{
    this.Text = "Item Forecast";
    ShowItemForecast(new List<ItemForecastSeries>()
    {
        new ItemForecastSeries{ Name = 0, Value = 123},
        new ItemForecastSeries{ Name = 1, Value = 234},
        new ItemForecastSeries{ Name = 2, Value = 123},
        new ItemForecastSeries{ Name = 3, Value = 234},
        new ItemForecastSeries{ Name = 4, Value = 345},

void _ShowItemDistribution()
{
    this.Text = "Item Distribution";
    ShowItemDistribution(new List<ItemDistributionSeries>()
    {
        new ItemDistributionSeries{Name = "Item 1", Value = 123},
        new ItemDistributionSeries{Name = "Item 2", Value = 234},
        new ItemDistributionSeries{Name = "Item 3", Value = 312}
    }, " Items");
}