Consider Table 7-1, Suppose that the 2019 price of corn were to rise to $8.50 per bushel

Question:

Consider Table 7-1, Suppose that the 2019 price of corn were to rise to $8.50 per bushel but that the price of a digital device were to fall to $300. The quantities of the two commodities remain the same, however. How would these changes affect the value of the 2019 price index?