The amount of fat, carbohydrate and protein in grams present in each food item respectively are as follows

	Item 1	Item 2	Item 3	Item 4
Fat	5	0	1	10
Carbohydrate	0	15	6	9
Protein	7	1	2	8

Use the information to write $3\times 4$ and $4\times 3$ matrices.

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