3 Supplier Rex 4 Technologies Rex 5 Technologies Rex 6 Technologies Rex 7 Technologies Max s 8 Wavetech Max s 9 Wavetech Max s 10 Wavetech O MAX D4 D7 Item O COUNT D4D7 B Item Cost per Description Cost Quantity Order Graphics Card 89 35 3 115 Monitor Keyboard Speakers HD Cables Processor Hard disk O SUM D4 D7 O COUNTIF D4 D10 Purchase Orders 150 15 D 15 15 120 40 20 5 10 278 27 18 2 250 600 300 50 6 950 2 160 A P Order Order Terms Months No Size 20 AL123 Large 25 15 25 25 30 20 H AL234 Small AL345 Large AL456 Small KO876 Small To find the largest quantity of items ordered from Rex Technologies what Excel formula should be used in A12 KO765 Large KO654 Small