Sales by State

select c.company, c.state, paymentmethod, sum(itemstotal) "VALUE" from customer c join orders o on o.custno=c.custno group by 1,2,3 order by 1,2,3

Sales by State/Payment

select c.company, c.state, paymentmethod, sum(itemstotal) "VALUE" from customer c join orders o on o.custno=c.custno where state in ('AL', 'CA', 'FL', 'OR') group by 1,2,3 order by 1,2,3