Final answer:
To calculate the percentage increase in Edna's cost of living between time 1 and time 2, we can use the formula (Difference / Original Value) * 100.
Step-by-step explanation:
In this question, we are asked to calculate the percentage by which Edna's cost of living increases between time 1 and time 2, based on the basket of goods in Table 22.5.
To calculate the percentage increase, we can use the formula: Percentage Increase = (Difference / Original Value) * 100.
Substituting the values from Table 22.5 into the formula will give us the percentage increase in Edna's cost of living between time 1 and time 2.