Create method PopulateListBox that will accept as an argument a one-dimensional doublearray that will then load the data from the array passed as an argumentinto the listbox with the format “$xxx,xxx.xx” such as “$247,850.00”ii.Create method CalcAverageSalesthat will accept as an argument a one-dimensional douoblearray that will then calculate the average sales fromthe data from the array passed as an argumentand put the result in lblAverage displayed as currency with two decimal places, example: $206,280.79iii.Create method FindHighestSalesthat will accept as an argumenta one-dimensional doublearray that will then find the highest sales from the data from the array passed as an argumentand put the result in lblHighest displayed ascurrency with zero decimal places, example: $264,448iv.Create method FindLowestSalesthat will accept as an argument a one-dimensional doublearray that will then find the lowest sales from the data from the array passed as an argumentand put the result in lblLowest displayed as currency with zero decimal places, example: $109,872.