Q5. With reference to the star schema below: a. Describe the granularity of the fact table. (1 marks) b. What is the benefit associated with the granularity of the fact table below. (2 marks) c. What is the drawback associated with the granularity of the fact table below. (2 marks) CALENDAR PRODUCT Calendarkey ProductKey FullDate ProductID DayOfWeek ProductName DayOfMonth SALESPerDPCS Fact table ProductPrice Month CalendarKey (FK) ProductVendorName Quarter StoreKey (FK) ProductCategoryName Year ProductKey (FK) CustomerKey (FK) CUSTOMER STORE DollarsSold UnitsSold CustomerKey StoreKey CustomerID StoreID CustomerName StoreZip CustomerZip StoreRegionName CustomerGender StoreSize CustomerMarital Status StoreCSystem CustomerEducationLevel StoreLayout CustomerCreditScore