Which result set does the following left join produce? select p.Prod_ID, Color, Price from products as p left join saleitems as s on p.Prod_ID=s.Prod_ID; products Prod_ID Color 1 Blue 2 Red 3 Red 4 Green 5 Blue saleitems Prod_ID Price 1 12.99 4 45.99 6 99.99 a. Result Set 1 Prod_ID Color Price 1 Blue 12.99 2 Red . 3 Red . 4 Green 45.99 5 Blue . b. Result Set 2 Prod_ID Color Price 1 Blue 12.99 2 Red . 3 Red . 4 Green 45.99 5 Blue . 6 99.99