an electronics store sells an average of 60 entertainment systems per month at an average of 800$ more than the cost price. For every 20$ increase in the selling price, the store sells one fewer system. What amount over the cost price will maximize revenue?
I found the vertex to be (10, 50000) but I can't get what it means. Please answer and explain. Thank you.
I found the vertex to be (10, 50000) but I can't get what it means. Please answer and explain. Thank you.
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