(d) A superstore sells 3 models of cell phones. Model A costs $40 each, model B costs $55 each and model C costs $120 each. The weekly sales for 2 weeks in June were: Week 1 Week 2 2 model A no model A 5 model B 6 model B 3 model C 10 model C > < (i) Write down a matrix of size 3 x 2 which represents the sales for the two weeks. (1 mark) (ii) Write down a matrix of size 1 x 3 which represents the cost of the different models of cell phones. (1 mark) Write down the multiplication of the two matrices which represents the superstore's takings from the sale of cell phones for each of the two weeks. (2 marks) Total 15 marks​