5 The Gill Art Gallery wishes to maintain data on their customers, artists and paintings. They may have several paintings by each artist in the gallery at one time. Paintings may be bought and sold several times. In other words, the gallery may sell a painting, then buy it back later and sell it to another customer. Customer ID Customer Name Phone Address Gill Art Gallery Customer History Form :C26 : Elizabeth Jackson : (206) 284-6783 : 123-4th Avenue Fonthill, Perth Australia. Purchases Details: Artist ID Artist Name Art Code Art Title Purchase Date Sales Price 03 Carol Chan 0301 Sunset 17 Dec 2000 7000.00 15 Dennis Fred 1501 Emerald Sea 11 May 2000 1800.00 03 Carol Chan 0302 Pleasure 14 Feb 2002 5550.00 15 Dennis Fred 1501 Emerald Sea 15 Jul 2003 2200.00 a) Convert the above report into a relational schema. b) Identify appropriate primary key(s). (1 mark) (2 marks)