1 Problem 1 a.) Three friends want to buy some stationery items such as Lecture Pad. Pen. Ruler. The table below shows how many stationery products bought by them. Pad Pen Ruler Victoria 2 1 Jun 4 1 Henare 3 0 As a result of shopping, Victoria Jun and Henare are paid 168, 21.78 and 12.18, respectively, Write a MATLAB script to find the price of the stationery items. b.) The graph of the function /(x) = ax+ba+ar+d passes through the points (-26.68), (0.5.6.7), (1.5.4.9) and (3.5,88). Determine the constants a, b, c and d. Note: To find the inverse of matrix Ause inv() command for option a and use (All for option b