QUESTION 1 Table 6.2 % change in QS F Es K G P 38.7 31.4 28.8 226 155 QS 87 70 67 51 44 % change in P A B D H 1 J ZEM N za 0 Refer to Table 6.2. As price rises from 22,6 to 28.8 and using the mid-point formula, what is the value of C (note: if the percentage change is positive then input the number as positive, if it is negative then input the number as negative. If the answer is 10% input your answer a 10, and so on.)