An office supply manufacturer makes two kinds of paper clips: standard and extra large. To make a unit of standard paper clips requires ¼ hour on a cutting machine and ½ hour on a machine that shapes the clips. A unit of extra-large paper clips requires 1/3 hour on each machine. (a) Write this information as a 2 x 2 matrix. Describe column and row headings. (b) If 48 units of standard and 66 units of extra-large clips are to be produced, use matrix multiplication to find out how many hours each machine will operate. Write the conclusion:

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