Use the data given below to answer the following question(s) .
Below is a spreadsheet of purchase orders for a computer hardware retailer. 123456789101112A Purchase Orders Supplier Rex Technologies Rex Technologies Rex Technologies Rex Technologies Rex Wavetech Max’s Wavetech Max’s Wavetech B Item Description Graphics Card Monitor Keyboard Speakers HD Cables Processor Hard disk C Item Cost $89$150$15$15$5$278$120D Quantity 35154020102718E Cost per Order $3115$2250$600$300$50$6950$2160F A/P Terms (Months) 20251525253020G Order No. AL123 AL234 AL345 AL456 KO876 KO765 KO654 H Order Size Large Small Large Small Small Large Small
-To find the largest quantity of items ordered from Rex Technologies, what Excel formula should be used in A12?
Zone of Proximal Development
A concept in developmental psychology introduced by Lev Vygotsky, describing the difference between what a learner can do without help and what they can achieve with guidance and encouragement.
Reinforcements
In behavioral psychology, stimuli used to increase the likelihood of a repeated behavior by applying rewarding or punishing consequences.
Conservation
In psychology, the understanding that certain properties of objects remain the same despite a change in the object's form or appearance.
Centration
The tendency, especially in young children, to focus on one aspect of a situation while neglecting other relevant aspects.