Get department sales

[{"itemName":"CHICKEN OVER RICE","totalQuantitySold":5,"totalSales":59.9500,"totalTax":4.0400,"totalDiscount":0.0000},{"itemName":"COMBO OVER RICE","totalQuantitySold":1,"totalSales":11.9900,"totalTax":1.0100,"totalDiscount":0.0000},{"itemName":"COMBO OVER SALAD","totalQuantitySold":2,"totalSales":23.9800,"totalTax":1.0100,"totalDiscount":0.0000},{"itemName":"COMBO W/ ALL LAMB","totalQuantitySold":3,"totalSales":38.9700,"totalTax":3.3000,"totalDiscount":0.0000},{"itemName":"FALAFEL OVER RICE","totalQuantitySold":1,"totalSales":11.9900,"totalTax":1.0100,"totalDiscount":0.0000},{"itemName":"FISH OVER RICE (2PC)","totalQuantitySold":3,"totalSales":35.9700,"totalTax":2.0200,"totalDiscount":0.0000},{"itemName":"KOFTA OVER RICE","totalQuantitySold":4,"totalSales":47.9600,"totalTax":4.0400,"totalDiscount":0.0000},{"itemName":"LAMB OVER RICE (ALL LAMB)","totalQuantitySold":1,"totalSales":13.9900,"totalTax":1.1800,"totalDiscount":0.0000},{"itemName":"LAMB OVER RICE (CONT BEEF)","totalQuantitySold":1,"totalSales":11.9900,"totalTax":1.0100,"totalDiscount":0.0000},{"itemName":"LAMB OVER SALAD (CONT BEEF)","totalQuantitySold":1,"totalSales":11.9900,"totalTax":1.0100,"totalDiscount":0.0000},{"itemName":"SHAHWARMA OVER RICE","totalQuantitySold":3,"totalSales":35.9700,"totalTax":3.0300,"totalDiscount":0.0000},{"itemName":"SHAHWARMA OVER SALAD","totalQuantitySold":3,"totalSales":35.9700,"totalTax":3.0300,"totalDiscount":0.0000}]