2. Here is a matter of case. In consumption theory, it is shown that consumer spending for shopping is a hmcn'on of their income. A manager of an electronics company tried to estimate this relationship by measuring his customers' spending and income patterns at the end of December 2020. Following are the results of his research. 154 305 135 150 95 100 29 30 | 124 150 | 130 175 30 50 [ 23 120 51 122 221 300 132 152 100 125 | 55 70 | 94 100 [ 21? 220