1os, Laura, and Jim each sell avocados for $1.40 each, boxes of strawberries for $1.90 each, and tomatoes for $0.70 each. They don't sell any other food. The number sold by each seller and each type of food is as follows. Number sold Avocados Boxes of strawberries Tomatoes Carlos 390 410 430 Laura 590 600 650 Jim 510 470 460 The table can be represented as the following matrix. 390 410 430 A = 590 600 650 510 470 460 (a) Find a matrix B whose entries are the prices (in dollars) of each type of food. Make sure the product AB is defined and its entries are the amounts of money (in dollars) made by each seller overall. (0]

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