QUIZ  Please analysis provided ERD for Sales in ****database.  Only Assumptions : Total adjustment quantity is: sum(quantityOrdered ) as Qty, TotalAmount is: sum(priceEach*quantityOrdered) as total construct SQL account abutting all all-important tables, RUN it and accept actual result. EXAMPLE of accessible sql to acquisition TotalAmount for officeCode = 1 : select sum(od.priceEach * od.quantityOrdered) as absolute , of.officeCode from yhelen.orders o accompany yhelen.orderdetails od on o.orderNumber = od.orderNumber  join yhelen.products p on p.productCode = od.productCode join  yhelen.customers c on c.customerNumber = o.customerNumber join  yhelen.employees e on e.employeeNumber = c.salesRepEmployeeNumber join  yhelen.offices of on of.officeCode = e.officeCode  group by 2