Question: Five neighborhoods (NB) all want to raise money for a playground for their kids. The neighborhood that raises the most money will be able to choose the name of the park. To raise money, they all decide to have a bake sale & sell cookies (C), cakes (K), & muffins (M). They plan to sell their bake goods on Saturday morning for 3 weeks. Following are the results of the first 2 weeks. The numbers represent the number of cookies, cakes, & muffins sold.

[A] Which team sold the most items at the end of the second week?
[B] How much of each item had the neighborhoods sold by the end of the second week? Use matrices to solve the problem. Final answer must be given in matrix form.