Table 3.16 shows the prices of a good for each year between Year 1 and Year 6.

Question:

Table 3.16 shows the prices of a good for each year between Year 1 and Year 6. Year 4 6. Price (S) 40 48 44 56 60 71 (a) Work out the index numbers, correct to one decimal place, taking Year 2 as the base year.
(b) If the index number for Year 7 is 135, calculate the corresponding price. You may assume that the base year is still Year 2.
(c) If the index number in Year 3 is approximately 73, find the year that is used as the base year.