Question: The ABC and DEF hardware companies report their annual profits for the following items in thousands of dollars:
ABC DEF
Nuts 5.2 3.1
Bolts 2.7 1.9
Hammers 3.4 0.9
Saws -0.5 1.2
Washers 2.1 -1.67
Nails 0.8 -0.2
(a) Represent each company profits as a separate 1 x 6 matrix.
(b) Using the two 1 x 6 matrices, determine the combined profits of the two companies.
(c) Suppose 6 x 1 a matrix was used for each company s profits, and their sum was used to represent the combined profit, how would the answer differ from the result in (b)?